Ancient Aliens

What if life on Earth began in outer space? Millions of people accept the theory that intelligent life forms visited Earth thousands of years ago and were worshipped as gods by primitive man. Are monuments like Stonehenge and Easter…

Tales of angels and giants in the ancient world are examined to determine if the beings stem from mythology or extraterrestrial visits and experimentation on human DNA, and bizarre discoveries around the world may be the key to getting…

Series host and Ancient Astronaut theorist, Giorgio Tsoukalos, explores the mystery of the Nazca Lines found in the desert region of Southern Peru. Hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an…

Ancient Astronaut theorist, Giorgio Tsoukalos, shares his insight on massive stone structures and strange, giant figures known as Monoliths. What compelled ancient man to move colossal stones, in some cases weighing thousands of pounds,…

Giorgio Tsoukalos presents the fascinating story of Nikola Tesla, one of the most prolific inventors of the 20th century--and the man that actually electrified the world. Tesla is credited with shepherding mankind to a new industrial era…

Did our ancestors have an understanding of how to generate power thousands of years before modern man? Ancient Astronaut theorist, Giorgio Tsoukalos, theorizes that some of the most famous ruins on Earth may be long-forgotten power…

Ancient Astronaut theorist, Giorgio Tsoukalos explores one of the most compelling and mysterious locations on Earth, Puma Punku. Forty miles west of La Paz, Bolivia--high in the Andes Mountains--lie the mysterious ancient ruins of Puma…

Giorgio Tsoukalos decodes some of the most compelling evidence for Ancient Astronaut theory found in mysterious carvings, symbols, and structures that are strikingly similar on opposite ends of the Earth. Egyptian pyramids aligned with…

Ancient Astronaut theorist, Giorgio Tsoukalos, explores the construction, history and technological abilities of the Ark of the Covenant--one of the most sought after religious relics of all times and far more than just a box that…

Why are humans so different from every other species on Earth? Did we evolve from apes--or is our intelligence the result of contact with an otherworldly source? Ancient Astronaut theorist, Giorgio Tsoukalos, presents the latest…

If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that exist in plain sight such as sophisticated aircraft, complex electrical grids, and intricate construction machinery? Indian Sanskrit texts,…

If ancient aliens visited Earth, who were they, and where did they come from? Possible historic evidence and beliefs are examined around the world. The Dogon people possess knowledge of a galaxy they claim was given to them by a star god…

If ancient aliens visited Earth, what was their mission, and is there evidence that points to when they will return? Ancient Sumerian tablets describe an alien race, known as the Anunnaki, who came to Earth to mine for gold. Egyptian…

Reports of encounters with strange beings and sightings of mysterious objects in the sky have occurred throughout history. A 13th century historical book, Otia Imperialia, includes an account of a creature descending from a flying craft…

There is evidence that suggests we experienced 20th century alien contact. In 1942, the Battle of Los Angeles involved the US military and Air Defense allegedly fighting a UFO. WWII Allied Air Force planes were buzzed by balls of light…

Mysterious places can be found around the Earth, and, inexplicably, UFOs are often sited near these mystical areas. Planes and ships unaccountably disappear in the infamous Bermuda Triangle. Strange magnetic anomalies in Mexico's Zone of…

Myths and legends have long been regarded as fantastic stories that describe powerful gods, mutant giants and fearsome monsters. But why do so many different cultures, separated by vast distances, tell the same stories? Is it possible…

Ancient underwater cities can be found around the globe, but could these aquatic worlds be the ruins of unknown civilizations--or even proof of extraterrestrial visitations? The infamous tale of the long lost city of Atlantis may be a…

If extraterrestrials influenced human history, can evidence of their existence be found in hidden tunnels and caverns around the world? Could a cave in Ecuador contain metallic books inscribed with secrets of alien technology? Was an…

If ancient aliens visited Earth in the remote past, could they have given us advanced technology, past down through human history? And could this technology have helped the Third Reich build mysterious weapons and crafts far beyond the…

Super-heated death rays... High-tech rockets... Powerful sonic weapons... Are these examples of modern day science or could these technologies have originated thousands of years ago? Is it possible that early man possessed scientific…

Biblical texts and ancient lore frequently describe winged creatures carrying messages from the heavens. But are angels merely the product of mankind's imagination--or do they really exist? If so, where do they come from? Ancient…

If ancient aliens visited Earth, can evidence of their existence be found in the mysterious structures that still stand throughout the world? Inexplicably, megalithic structures found on different continents are strikingly similar, and…

If ancient aliens visited Earth, were they responsible for catastrophes, wars and other deadly disasters to control the fate of the human race? The story of the Great Flood sent by deities to destroy civilizations exists in many…

Unearthly visitations... Heavenly messengers... Close encounters... Accounts of humans interacting with celestial beings have existed since the beginning of mankind. Many of these encounters resulted in moral, philosophical and artistic…

Ancient Astronaut theorists believe aliens have been visiting earth for thousands of years. If so, might we find evidence of this even in the stories of America's Old West? In Aurora, Texas, the local cemetery claims to hold the body of…

Hindu scripture describes an enormous flying creature called a Garuda that shook the ground when it landed on Earth. Is it possible that this monster was actually a misinterpreted alien craft? Are hybrids like the Centaur, the Minotaur…

Are sacred places the product of man's reverence for God--or the result of contact with ancient space travelers? Jerusalem's Temple Mount has been called a heavenly gateway. Islam's shrine at Mecca displays a Black Stone believed to have…

Could gold be the ultimate link between humans and aliens? A church in southern France is said to hold the key to alchemy--and a gateway to another part of the universe. Locals in Cusco, Peru believe UFO sightings are connected to lost…

Throughout the world, ancient rites and rituals are believed to connect humans to another dimension. But just who--or what--are we communicating with? Could today's rituals, such as festivals, coronations and funerals, be based on early…

Might the tools and technology of ancient builders have come from distant galaxies? Evidence suggests that an ancient mountaintop fortress in Peru was constructed with laser-like tools... temples at Vijayanagara India were built to…

Scientists are continually challenged by unidentified strains of bacteria with mysterious origins. Could some of our most crippling plagues and epidemics be traced to the darkest voids of space--or even extraterrestrial intervention?…

Mysterious legends and crumbling ruins are all that is left of our planet's lost worlds. But could there be proof of ancient alien visitors hidden among the artifacts of civilizations that have long vanished? Strange carvings suggest the…

Iron swords forged in blazing hot fires... Gunpowder with the power to tear apart human flesh... And rockets capable of destroying entire cities... Throughout history, advances in technology have lead to the development of powerful…

For thousands of years, there have been places around the world considered dangerous to humans. Might these locations hold the key to an otherworldly connection? At Australia's Black Mountains, local myths speak of ancient serpent gods…

What is the meaning behind secret messages found throughout Washington, D.C.? Did America's Founding Fathers know something about ancient aliens that the general public did not? And if so, could this knowledge have been incorporated into…

Mass suicides. Human sacrifices. Unholy rituals. Throughout history, people have claimed to have otherworldly knowledge, and have led followers to commit horrific acts of violence. Are they con men? Are they insane? Or might the voices in…

Megalithic monuments linked together by electromagnetic energy... Prehistoric ruins arranged across vast distances in straight lines... And advanced mathematics carved into landmarks more than 5000 years ago. Were ancient man's…

Zombies rising from their graves... Blood sucking vampires damned for all eternity... and humans trapped in a life and death struggle between heaven and hell. For thousands of years, mankind has told tales of encounters with strange,…

Superhuman strength... Supernatural powers... And the awesome ability to fly. Throughout history, mankind has told incredible tales of gods with extraordinary powers. But are these accounts merely tall tales, or could they be based on…

Why are humans so different from every other species on Earth? Did we evolve from ape--or is our intelligence the result of contact with an otherworldly source? Could unexplained advances in human evolution be the work of interstellar…

The Mayan civilization dominated Central America for nearly 2000 years, but by the 9th century A.D., the great Mayan cities were abandoned, and the Mayan people vanished. What could have happened to this advanced culture? Might the Maya…

The Maya created the most sophisticated calendar systems in the ancient world, and according to many scholars their Long Count Calendar will come to an end on December 21, 2012. What does this mean for mankind? Some researchers believe it…

Who are the beings with big heads and giant eyes that seem to have been visiting our planet for millennia? Known by researchers as the "greys," these mysterious beings have been depicted in rock-art and carved stone figures throughout the…

There are numerous historical, religious and mythic accounts of ancient civilizations being wiped out by volcanoes, earthquakes, floods, and meteors. Did god, or nature bring about such disasters? Or is it possible that celestial beings…

NASA scientists, former astronauts and secret government files all point to the conclusion that there has been contact with extraterrestrial life in the past. Researchers examine this and other recent scientific evidence that may provide…

At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. No one knows who designed and built this complex of sophisticated inter-locking blocks, and then vanished. Researchers…

People on every continent have claimed to see the footprints of Bigfoot. And ancient myths and legends speak of an ape-like giant stalking the earth. What if, as Ancient Astronaut theorists believe, there is evidence to connect Bigfoot…

Might an examination of Leonardo Da Vinci's masterful paintings, highly technical hand-drawn sketches, and private journals reveal knowledge of otherworldly technology and extraterrestrial beings?

Is it possible that sightings of alien beings or UFOs may actually be evidence of time travelers from the future? And might ancient astronauts actually be time travelers from our future? Scientists explore the theoretical possibility of…

Angkor Wat, Cambodia, is the world’s largest ancient religious temple. Within its megalithic ruins, researches have discovered a depiction of a species of dinosaur – a stegosaurus. But how could the ancients have had knowledge of…

For thousands of years, pyramids were the largest structures on Earth. The best known were constructed in Egypt and Central America, but others have been found all around the world, including in China, Africa and Indonesia. But what…

In 1980, three young military men were sent into a UK forest to investigate strange lights. They reportedly encountered a spacecraft of unknown origin. When one of the men touched it, he claims to have received telepathically a long…

Egyptian hieroglyphs depict the use of light bulbs in tombs and secret chambers. And batteries may have been discovered among artifacts from Mesopotamia. Did the Ancients understand electricity, and if so, how did they discover this…

Why were ancient civilizations around the world so focused on the Orion constellation? While scientists site many earthly connections, researchers suggest this point in the night sky may have been a so-called Stargate, or entry point,…

Was Albert Einstein a genius? Or was he superhuman? Was his genius ‘of this world,’ or was it ‘otherworldly?’ Is it possible, as Ancient Astronaut theorists believe, of an extraterrestrial connection to the scientific genius of famous…

Across the globe, archaeologists have uncovered ancient tombs filled with strange items and writings. Remarkable similarities have been found at each of the sites. How is it possible that the burial chambers of distant cultures were so…

They were the messengers of divine knowledge and seers who shared visions of the future. For thousands of years, human civilization has been guided by the words and deeds of ancient prophets, but just who--or what--were these prophets…

Erich von Daniken's landmark book, Chariots of the Gods, brought attention to the mysterious phenomena of the Nazca Lines. Hundreds of gigantic lines, some in the shape of animals, geometric patterns and even an alien-like being, extend…

In 1975, Travis Walton claims to have been abducted and taken aboard a space ship inhabited by extraterrestrial beings. Several people witnessed his encounter and nearly 40 years later Walton's story of alien abduction, missing time and…

A young man's spiritual journey. A controversial bestseller. And a scientific theory that threatened to change the world. Just what are the facts behind Erich von Däniken and Ancient Astronaut theory? For more than 40 years, his books…

They were teachers and destroyers. Mighty warriors who blazed across the skies in gleaming chariots and wielded magical weapons that could bring down mountains. Odin, Frey and Thor. The gods worshipped by the Norse Vikings were fearsome…

Massive stone structures that reach to the heavens... strange, giant figures buried deep in the Earth... and energy emitting spheres connected around the globe... What compelled ancient man to move colossal stones, in some cases weighing…

Reverence for the number three dates back thousands of years, and can still be found today in art, architecture, science, literature, and religion. What is it about this number that continues to fascinate mankind? Could this recurring…

Luminous relics in the shape of human skulls. Otherworldly artifacts believed to harness the secrets of the universe. Are the Crystal Skulls part of an elaborate hoax? Or do they possess a great, perhaps even otherworldly power? The…

The Sumerians in ancient Mesopotamia achieved over one hundred "firsts" for human civilization. Advances in writing, agriculture, science, mathematics, medicine, astronomy, transportation, building, military, schools and city planning,…

Wondrous wizards... Mysterious sorcerers... And heavenly beings... possessed of unimaginable power. Throughout the ancient world, magic was used for everything from healing to communicating with the gods. But did magic really exist in the…

He is the evil one, the Prince of Darkness, the ruler of Hell. Satan conjures up horrifying images of a horned beast whose sole purpose is to destroy humanity. Yet there is evidence that the fallen angel we know as Satan may be…

Mysterious surgeries performed by early humans... Strange beings with miraculous powers... And a cover up--destroying centuries of scientific knowledge. Are recent breakthroughs in medicine the result of years of research? Or does the…

Powerful monarchs ruling by divine right. Centuries-old dynasties amassing enormous wealth. And legendary leaders wielding powerful weapons of mass destruction. Is it possible that ancient rulers were, in fact, connected with divine or,…

Sacred bones… Golden hats… And fragments of sacred objects thought to possess healing properties. All around the world, archaeologists have uncovered mysterious relics revered by ancient cultures for thousands of years. Now on display in…

Legends of lost and mysterious islands, advanced civilizations and Eden-like paradises have been told by sailors throughout human history. Is it possible these stories are more than just the myths of imaginative seafarers? Might evidence…

The Ark of the Covenant is one of the most sought after religious relics of all times and far more than just a box that contained the Ten Commandments. The biblical stories surrounding the Ark speak of a device with divine powers that was…

Across ancient civilizations, the world's mountains were viewed as the sacred home to all-powerful gods. Why would so many different cultures share this belief that mountains had a connection to otherworldly beings? The Greeks believed…

Legends from around the world speak of sacred entryways to the land of the gods. Gates that allowed instant passage not just beyond the confines of Earth, but beyond space and time. Are such passages--or stargates--just inventions of…

Strange rock carvings from 8,000 B.C. Unexplained sightings in the new world. And a frightening anomaly plaguing the American West. Is there more to America's past than is found in our history books? Could the mysterious stories and…

On every continent, there are stories of children who "stand out" for their strange abilities and advanced knowledge. They are said to have knowledge of things they shouldn't or couldn't know. The ancient Greeks, Egyptians and many other…

Sealed vaults possessing a strange and deadly curse, mysterious relics believed to be under otherworldly protection, and riches so priceless, it has cost men their lives. On every continent there are stories of incredible treasures that…

Throughout human history, the planet Mars has captured our imagination. Ancient Egyptian astronomers were the first to record the red planet on a chart of the cosmos known as the Senenmut star map. Scholars believe Mars played an…

Throughout history, spiritual leaders known as shamans have healed, protected and advised their people. But are they simply putting on elaborate ceremonies? Or could they be in contact with extraterrestrial realms? The Mongol army crushed…

Earth is home to 10 quintillion insects. In cultures throughout the world, insects have been honored, feared and even revered as gods. But might these strange creatures that have inhabited Earth for hundreds of millions of years provide a…

Demonic seduction... hybrid offspring... and strange abductions. In cultures throughout the world, there are tales of intimate encounters with otherworldly beings. But could these stories be more than just mythology? Scientific…

Ancient cultures around the world tell stories of strange objects witnessed flying in the sky. But are these tales fiction, or might people living thousands of years ago actually have seen extraterrestrial crafts descending from the…

All over the world there are megalithic stone structures whose construction baffle stonecutters, scientists and archeologists. Is it possible that ancient humans managed to move and cut these gigantic rocks with the help of alien…

A 2,000-year-old computer... a power plant inside the Great Pyramid... and a Nazi-era time machine with roots in the ancient history. Throughout the world, there are artifacts and stories that point to advanced technology in the distant…

The Reptilian alien is a fixture of science-fiction, from H.P. Lovecraft's tales of Valusians to the Cardassians in Star Trek, to the Visitors of the television series V. But could ancient myths about reptilian creatures provide evidence…

He is one of the most prolific inventors of the 20th century--and the man that actually electrified the world. Nikola Tesla shepherded mankind to a new industrial era and laid the groundwork for today's technological age--but could that…

It has been called the key to the universe and possibly the most important scientific breakthrough of all time. Could the so-called "God Particle" reveal the truth about our origins? And might clues to its significance have been left here…

Stories of strange encounters accompany many of history's major events. Is it merely coincidence? Or might it be evidence of extraterrestrial intervention? In ancient myths from cultures around the globe, gods are often portrayed…

From the beginning of recorded history, humans have told stories about beings with super-human strength, super-sonic speed, and supernatural abilities. The ancients had heroic tales about Zeus, Thor, and Hanuman while today we have…

Could the darkest recesses of our planet contain important information left by our ancient ancestors? And within Earth's mysterious caves, might we find evidence of otherworldly contact? Throughout human history, some caves have been…

The Great Sphinx in Giza is the largest and most studied monolithic sculpture on Earth, yet it remains one of humanities greatest mysteries. This ancient monolith defies explanation, pre-dates our earliest known civilizations and may hide…

There are those who believe that the evolution of technology is not entirely of our own making. Ancient Astronaut theorists contend that it is by extraterrestrial design that we have become so technologically interconnected--and that we…

Throughout history, many of the world's greatest thinkers have helped push civilization forward with their profound insights and extraordinary abilities. But the majority of these master minds say their brilliance comes from a place they…

For thousands of years, in cultures throughout the world, people have practiced elaborate techniques to preserve the human body after death. The ancient Egyptians believed mummification ensured entrance into the next life. Buddhist monks…

Throughout history, incredible stories have been told of the dead rising from their graves, mummies journeying into the afterlife, and people on the brink of death mingling with deceased relatives in a celestial netherworld. Are they…

Messages embedded in sacred religious texts, as well as in the design and location of ancient monuments that may reveal the purpose behind human existence.

It is a story told in more than twelve hundred cultures around the world--the gods sent a great flood to wipe out humanity for its disobedient and wicked ways. Do these numerous creation myths point to an actual deluge, one that engulfed…

The Civil War nearly destroyed the great experiment known as the United States of America, but is it possible that the preservation of the republic was influenced by extraterrestrial beings? Abraham Lincoln described strange visions and…

With infrared satellite technology detecting pyramids hidden underneath the sand in Egypt and airborne laser sensors discovering long lost pyramids beneath the jungles of Central America, many believe we have entered a new pyramid era--an…

Stories of civilizations large and small disappearing without a trace can be found throughout history and across the globe. From a previously unknown civilization in China, a vanished race of giants, to the unexplained disappearances of…

Many of humanity's most significant turning points have bore witness to unexplainable events. Is this merely coincidence, or could it be evidence that the course of human history is being manipulated by an alien agenda? Ancient Astronaut…

Enormous manmade caves... Unexplainable structures... And underwater discoveries that challenge everything we know about the past...Is it possible that an advanced civilization inhabited Earth thousands of years ago? And if so, were they…

When German aerospace engineer Wernher von Braun joined the U.S. military and space programs after World War II, he quickly became one of the foremost scientists credited with developing the ballistic missile, the first American satellite…

Incredible strength... Superior intelligence... And even the ability to reproduce. In the 21st century, robots are being programmed to do everything from performing surgery on humans--to exploring other planets. And humanoid robots are…

Good and Evil. Light and Dark. God and Satan. In nearly every culture there are stories of opposing forces at work here on Earth--forces of a supernatural or otherworldly nature. Could these forces really exist? And if so, what is the…

Ancient Astronaut theorists have suggested that many of the divine beings depicted in cultures throughout the world are not really divine--or mythological--but instead reflect extraterrestrial visitations that our ancestors did not…

Billions of dollars have been spent in our quest to find an "other Earth." Since the launch of the Kepler Telescope in 2009, scientists have identified thousands of planets capable of supporting life. Is it possible that this discovery…

In August of 2014, Russian cosmonauts aboard the International Space Station discovered something incredibly unexpected covering parts of the windows--living sea plankton. If sea life can thrive in space, might the reverse be true as…

Over 10,000 crop circles have been reported worldwide, appearing in 50 different countries, and nearly every continent on Earth. These strange designs pressed into crop fields range from simple circles to elaborate pictograms thousand of…

On March 19th, 2002, Gary McKinnon was arrested for hacking into 97 Pentagon and NASA computers over a 13-month period, in what authorities call the "biggest military computer hack of all time." McKinnon claimed that he found evidence of…

Due to warfare, instability, and inaccessibility--there are specific regions of the world that are off-limits to exploration. These forbidden sites are often ground zero for chaos and the destruction of ancient artifacts and irreplaceable…

Is there evidence of ancient technology buried beneath the ice of the most southern continent?

Within 20 years, we are expecting to send the first colonizers to the Red Planet. Astronauts will brave the six-month journey to become the first extraterrestrials visitors to Mars--where they are expected to live and die there, never to…

In the 21st century, technology is heading in a radical new direction--the merging of man and machine. Smart drugs, nanorobots, and machine-printed organs are just a few of the cutting-edge innovations catalyzing the evolution of…

Millions of people around the world believe we have been visited in the past by extraterrestrial beings. What if it were true? This is the question Ancient Astronaut theorists have posed since Erich von Daniken's Chariots of the Gods was…

Scientists theorize that when mankind encounters extraterrestrials, we'll need to speak to them through the universal language of mathematics and binary code. But is it possible that extraterrestrials have already been communicating with…

A "Cosmic Egg" -- in which the universe, or some primordial being comes into existence by the hatching of an egg -- is found in the creation myths of many cultures. Why is this concept so pervasive throughout the world? Clues to the…

The Aborigines of Australia are the oldest, continuously surviving society on Earth. The stories preserved in their oral tradition are said to date back over 60,000 years, to an era they call the "Dreamtime" and contain fascinating…

In 2013, former Canadian Minister of Defense, Paul Hellyer, made a shocking claim--that there is a federation of extraterrestrial beings monitoring and guiding humanity. But why would such an esteemed politician make such a controversial…

Ancient Astronaut theorists suggest that evidence of extraterrestrial visitation exists in every corner of the Earth, but some say the most compelling can be found in one of the world's least accessible places--China. China is the cradle…

Recent archaeological discoveries reveal a very different picture of what life on Earth looked like in the remote past. It was a real-life version of "Lord of the Rings," where humans shared the planet with various different types of…

It was mankind's finest hour, the greatest technological achievement of the 20th Century--the Apollo 11 mission to the Moon. But the Apollo program was short-lived, and after Apollo 17 in 1972, we never went back. Could it be that we…

Russia is a vast country, spanning over 6 million square miles of some of the most rugged terrain on Earth, much of which is uninhabited and largely unexplored. It is also the home of 'cosmism' -- a belief that human civilization…

The U.S. military has long denied that the infamous 1947 Roswell crash was anything other than a weather balloon, but FBI files released in 2011 include a memo to J. Edgar Hoover regarding the recovery of not one, but three "flying…

Thousands of people from every part of the world have reported being abducted by aliens, including even a world leader--President Kirsan Ilyumzhinov of the Russian Republic of Kalmykia, who announced in 2007 that he had been taken aboard…

Of the millions of Hindu gods, none is more important than Shiva--the great destroyer. Ancient Astronaut theorists suggest this powerful being that possessed flying machines, incredible weapons, and had supernatural abilities may, in…

In the 21st century, mainstream scholars, scientists, and world governments have for the first time openly joined the hunt for intelligent life beyond Earth. But while such an effort has never been made public before, in reality, the…

Artificial metallic objects dating back hundreds of thousands of years. New discoveries of metals once thought to be mythological. Mysterious metal spheres defying the laws of physics. Could these out of place artifacts be physical…

In the southwest corner of the Wiltshire, England countryside lies the mysterious structure known as Rudloe Manor. On the surface, it appears to be nothing more than a quaint English manor house, but researchers have argued for years that…

Many of the architectural marvels of the ancient world bear striking similarities to one another, even though they were built by civilizations that were separated by thousands of miles and are believed to have had no contact with one…

According to legend, an ancient curse was placed upon the tomb of King Tutankhamun, and when that tomb was opened in 1922, a series of terrible events occurred. A curse was also placed on King Tut's father Akhenaten, and during the…

Nearly every year archaeologists and anthropologists make discoveries that require revisions to our history books. But there are numerous artifacts that are outright ignored because they don't fit into the accepted scientific paradigm.…

The ancient site of Teotihuacan in central Mexico--which the Aztecs called the "City of the Gods"--is one of the world's greatest mysteries. To this day, no one knows who built the metropolis or what happened to its occupants, but based…

The use of mantras and chanting to connect with a higher plane has existed in cultures all over the world dating back thousands of years, but why would people who had no contact with each other all subscribe to this practice? Could there…

In 1984, a roll of 35mm film surfaced from an anonymous source that contained pictures of what is now known as the Eisenhower Briefing Document. This document is purported to be a memo sent from the director of the CIA in 1952 to…

Throughout history, prophets and visionaries have claimed to be able to telepathically access knowledge and information that would ultimately steer the course of human history. But if true, where do these individuals get their visions?…

India's Sanskrit texts are filled with incredible stories about advanced technology in the ancient world. Highly complex building techniques, brain surgery, flying crafts, and even nuclear physics are described with uncanny accuracy.…

Extraterrestrials are almost always envisioned as humanoid, but is this an egocentric concept? Could it be that intelligent alien life looks much different from us, and that some extraterrestrials more closely resemble other animals? And…

Across the globe, over 1.5 billion people believe in reincarnation, the belief that a soul can be reborn into a different body after death. Major universities worldwide have departments devoted to the study of reincarnation and according…

In Honshu, Japan, stands one of the country's oldest and holiest Shinto shrines--the Ishi-no-Hoden megalith. Carved from a single rock and weighing roughly 500 tons, it appears to hover over a pool of water, and according to Japanese…

Hundreds of strange disks are discovered in a cave in China that appear to tell the story of an ancient extraterrestrial crash on Earth. Shortly after the disclosure of these artifacts, the disks are confiscated by the Chinese government…

The ancient site of Gobekli Tepe challenges everything modern archaeologists believe about mankind's past. The megalithic stone complex was built over 12,000 years ago, which dates it to 6,500 years before Stonehenge, and 5,000 years…

In 2017, news breaks that the Department of Defense recently spent millions investigating reports of UFOs; the latest disclosure about a series of secret government UFO projects dating back decades.

Researchers claim there are hidden messages that can be found within the works of Leonardo da Vinci--and other art throughout history--that may reveal an extraterrestrial influence.

In 2017, a strange, cigar-shaped object entered our solar system from another star system traveling in such an unusual trajectory it caused some astronomers to suggest that it could be an extraterrestrial craft. It brought up an important…

Could black holes exist not just in outer space, but here on Earth? And if so, could Earth's Black Holes have caused strange disappearances and other inexplicable phenomena for centuries?

Could giant ancient drawings found etched into the desert floor be part of an ancient alien code?

Could Area 51's notoriety act as a cover up to much bigger, top-secret extraterrestrial experiments taking place at multiple locations?

Was Egypt home to Earth's earliest extraterrestrial visitors? Ancient Astronaut theorist Giorgio A. Tsoukalos explores the latest scientific discoveries at some of the world's most ancient places to find evidence that extraterrestrials…

Could the ancient ruins of Sardinia, Italy hold clues to an extraterrestrial past? Oak Island treasure hunter Marty Lagina and Ancient Astronaut theorist Giorgio A. Tsoukalos explore the bizarre statues, mysterious pyramids and gigantic…

Millions of people around the world have claimed to be abducted by extraterrestrials; whether or not these extraordinary accounts are some form of mass psychological delusion, still remains unanswered.

Ancient astronaut theorists Giorgio A. Tsoukalos and David H. Childress explore a Polynesian land of bizarre figures and forbidden places in search of what could be the ultimate evidence of mankind’s extraterrestrial origins.

A look at suspicions that the U.S. and Russia have been working together to prepare for an extraterrestrial encounter.

Ancient cultures from around the world believed that meteorites were sacred stones imbued with the power of the Gods; Ancient Astronaut theorists ask whether or not these space rocks could be pieces of extraterrestrial technology.

A look at whether or not intelligent robots are a threat to humanity or the next step in human evolution; as man and machine begin to merge, humanity could be fulfilling a destiny prepared for by aliens thousands of years ago.

Erich von Däniken's "Chariots of the Gods?" suggests that aliens visited Earth in the distant past, and there are those who believe that he will be proven right.

An examination of possible encounters humans could have once colonies are established beyond Earth.

Antarctica may serve as home base for extraterrestrial visitors to Earth, but as human exploration of the frozen continent increases, humans may come face to face with the ruins of an ancient advanced civilization buried beneath the ice.

Satellite images have revealed a giant face that appears to be carved into the Earth in Alberta, Canada, which has now become known far and wide as "The Badlands Guardian."

The Infamous Alien "Element 115" mentioned by Bob Lazar over a decade ago is added to periodic table nowadays.

Aliens from the tiny star Sirius B may have visited humans in the distant past, imparting the knowledge of civilization to peoples thousands of miles apart.

Lurking in the oceans are creatures that defy explanation, such as octopuses that can edit their own DNA or animals that can regenerate their entire brain; examining if the oceans are acting as a giant petri dish for alien genetic…

When Spanish Conquistadors obliterated the historical record of the Maya in the 16th century, did they wipe out evidence that ancient people traveled to the Americas from all over the world – and in flying craft provided by…

Did ancient Druids travel to New England and New York's Hudson Valley centuries ago, bringing with them the beliefs and technologies of their alien mentors, the Shining Ones of Irish myth? And did they leave behind vital clues in the form…

Serpent gods are found in the traditions of Mesopotamia, Central and South America, India, China, Japan and the Bible; a look at if these stories describe a race of reptile-like extraterrestrials instead.

In 2016, scientists made the astonishing discovery that 30 percent of all protein adaptations since humans' divergence with chimpanzees have been driven by viruses. Could ancient aliens have shaped human evolution by introducing viral…

Extraterrestrials could be altering human DNA and repopulating the Earth with alien/human hybrids; following the trail of evidence from ancient cultures to modern-day animal mutilations and alien abductions.

Could paranormal activity be explained by beings entering our world from other dimensions? According to some Ancient Astronaut theorists, entities that have been described as ghosts, angels, and extraterrestrials are actually visitors…

The native Hawaiians trace their ancestry to beings from the Pleiades star system called the Akua. Could these islands have once been inhabited by extraterrestrials? And is it possible that the enormous energy generated by Hawaii's…

Throughout the ancient world, structures were built to mirror the constellations in the night sky and this is only apparent when they are viewed from high above; a look at the possibility that these structures were designed as messages.

Ever since the first atomic bomb was detonated in 1945, UFOs have been reported at nuclear facilities all over the world. Is it possible that extraterrestrials are monitoring humanity's nuclear capabilities? But why? Does this constitute…

A mysterious mountain in northern Italy has stood witness to strange sightings in the sky and unexplainable phenomena for hundreds of years but could it be attracting extraterrestrial visitors and there could be technology within its…

A look at the possibility that the human brain possesses extraordinary untapped abilities granted by extraterrestrial beings -- such as telepathy, precognition and psychokinesis; abilities that will enable the next step in the evolution…

A shocking study reveals that the original builders of Stonehenge mysteriously vanished; but Stonehenge's mysterious Bluestone circle could have activated a portal that transported the ancient culture back to their former home among the…

Divine substances were consumed by the gods but sometimes gifted to humans to impart great power or wisdom; could the food of the gods be sustenance for alien visitors and does it lend insight into humanity's future.

Tattoos, piercings, and body modification account for a nearly one-billion-dollar industry, but are these practices a bold form of self-expression or could they be motivated by a profound link to ancient ancestors.

In 2019, millions responded to an internet post advocating to storm the gates of the world's most top-secret military installation -- Area 51 but when they did, the U.S. military vowed to defend the base with deadly force.

Are governments around the world preparing mankind for the most startling event in human history-the official disclosure of an extraterrestrial presence on Earth? And if so, why is this happening now and what might happen in its aftermath?

Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the…

Giorgio Tsoukalos and David Childress explore the mysterious chain of manmade islets in Micronesia's Nan Madol; built from 250 million tons of volcanic rock, there are local legends that strange visitors floated the massive rocks through…

In 1947, the U.S. military collects debris from what they claim is a crashed weather balloon outside of Roswell, N.M.; new evidence may prove that the wreckage belonged to an alien spacecraft and that remnants may have been overlooked.

The Chilean government questions whether new footage from a Navy helicopter indicates a connection to geoglyphs in the Atacama Desert.

An investigation into the rumors that the U.S. government is working covertly with space aliens to create alien-human hybrids.

From Egypt to Easter Island, towering figures built by ancient man stand watch over the Earth. Are these stone giants simply a testament to humanity's past or could they depict visitors from another world' And do they serve a…

Shocking new evidence reveals that advanced civilizations might have existed on Earth tens of thousands of years ago. Is it possible that a technologically advanced society thrived on Earth then’ And did they leave behind a record that…

In numerous ancient cultures throughout the world, stories were told of ancestors that came to Earth from the Pleiades star cluster, but could new scientific findings reveal that humankind's true origins lie not on Earth but 400 light…

In the Mojave Desert, there is a structure built to bestow everlasting life and according to the architect, the blueprint was provided by an extraterrestrial visitor known as the Integratron, could it actually provide the key to…

Accounts of creatures that can shape shift from one form into another can be found, but could similarities between the ancient stories and modern-day alien abduction accounts reveal that shape shifters are real and have come to Earth.

Nestled within a remote valley in Utah, is a ranch that some believe is a hotbed of strange, inexplicable phenomena including terrifying creatures, paranormal apparitions and lights in the sky. Could the bizarre activity have a connection…

UFO witnesses have reported a wide variety of objects in Earth's skies--and not only in modern times, but for centuries. What might we learn from examining their shapes, sizes, and the way they maneuver' Could they offer important clues…

The White House has consistently denied having any knowledge of alien craft visiting Earth, but presidential encounters with UFOs and other strange phenomena can be found going all the way back to George Washington. Is it possible that…

In numerous sacred traditions, the number 12 holds a divine significance; it can be found repeated in ancient architecture, groups of 12 wisdom keepers and even the latest scientific principles.

According to the earliest Tibetan traditions, hidden high in the Himalaya Mountains is a kingdom of the gods--Shambhala. Is it possible that this mystical realm truly exists, and can be reached through ancient practices designed to access…

The mysterious symbol of the keyhole exists in mystic texts, sacred architecture and ancient artwork found all over the planet; exploring if this cryptic shape represents a profound connection to the cosmos.

Ancient cultures recorded stories of enormous beings that descended from the sky; exploring if massive megalithic structures and reported discoveries of towering human-like skeletons reveal that the world was once inhabited by giants.

Rebellious angels, giant hybrid beings, and humans taken up to a heavenly realm above the Earth; examining the possibility that The Book of Enoch was stricken from the Bible because it documents humanity's extraterrestrial origins.

In this extraordinary two-hour special, Shatner will bring thought-provoking questions to the leading experts of the show. Ancient Astronaut theorists Giorgio Tsoukalos, Erich von D niken, David Childress, William Henry and Linda Moulton…

Throughout the world, ancient objects have been found that leave archaeologists at a loss. Could these impossible artifacts suggest that advanced--and perhaps even extraterrestrial--civilizations existed on Earth thousands of years before…

It is humankind's most profound achievement: blasting off into the stars. But is it possible that our voyages into the cosmos are really a return to our true origins? And if so, as we venture out further into outer space, will we…

In the 20th century, pioneering scientists, journalists and investigators defied convention and began documenting UFOs. Now, with incredible new UFO accounts coming to light, will their work finally culminate in undeniable proof of…

Archaeologists have discovered that many ancient sites were built with an acoustic purpose, and often resonate at a frequency that has a profound effect on the human brain. Could ancient people have been aware of a harmonic code? One that…

Giorgio A. Tsoukalos, David Childress and William Henry examine a recently discovered lost city in Peru that has upended the historical timeline of South America, revealing that civilization emerged thousands of years earlier than…

Ancient Aliens is counting down the world's top ten most mysterious sites, from the towering Moai statues of Easter Island to the enormous megalithic blocks of Stonehenge to the precision cut stones of Puma Punku. Could these…

Ancient Aliens is counting down the world's top ten alien cover-ups, from the famous Roswell Incident to a secret military base rumored to be housing ET technology to recently released UFO videos captured by cameras on Navy fighter jets.…

Examining the unique geology and location of Mount Shasta in northern California, to determine why it is known as a hotbed of strange events, from Bigfoot sightings to UFO encounters to hikers vanishing without a trace.

Scientists now know that seven human-like species lived alongside Homo sapiens for thousands of years. But why is it that only humans survived? Is it possible that we were the product of extraterrestrial experimentation? Ancient Astronaut…

We're counting down the world's top ten alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome that changed the course of human history. Could these…

An ancient figurine of a modern-day airplane. A primitive statue of a man in a spacesuit. Mysterious crystal skulls whose origins are entirely unknown. For more than a decade on Ancient Aliens, we've traveled the globe and investigated…

In 2021, the United States government broke a 70-year precedent of denying UFOs and released a groundbreaking report on Unidentified Aerial Phenomena. Are we on the brink of full government disclosure about the strange objects witnessed…

It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones? According to Ancient Astronaut Theorists, the placement of these monoliths and their geological makeup…

Some of the world's most iconic sacred temples were built atop the ruins of structures that are far more ancient. What compelled early humans to rebuild in the same places again and again? Do these locations hold special power? And could…

Across the globe, high-ranking government officials are openly talking about Unidentified Aerial Phenomena. But why now? Ancient Astronaut theorists suggest the evidence has become too great to ignore–and the truth about an…

Some 2,600 years ago, the most sacred relic of the ancient world suddenly disappeared from history: The Ark of the Covenant. Could descriptions of the Ark's incredible power reveal that it was a highly advanced technological device? And…

In the traditions of native peoples across North America are stories of the Star Ancestors--powerful beings who descended to Earth in the distant past and are sometimes present even today. Might the ancient accounts and depictions of…

Since 2017, the Navy has been releasing photos and videos of Unidentified Aerial Phenomena--and Ancient Astronaut Theorists suggest the incredible images are nearly identical to accounts from centuries ago. Could flying pyramids.…

Millions of people around the world have reported encountering shadowy entities who instill fear, shortness of breath. and even paralysis. Is it possible that the so-called "Shadow People" are more than mere figments of the imagination?…

Throughout the ancient world, tales are told of fire-breathing dragons; though fearsome, they have been worshipped as the bringers of great knowledge and credited as the founders of civilization.

Today, more people than ever before believe that Unidentified Flying Objects are of alien origin. But if extraterrestrials have come to Earth from lightyears away, could they be capable of bending both time and space? Might it even be…

Ancient Aliens has traveled to many mysterious sites that seem to defy explanation. Now, Giorgio Tsoukalos takes a look back at some of the most incredible structures we’ve visited all over the world. Structures that, as far as Giorgio is…

Ancient Aliens has followed investigators across the globe as they've gone directly to the sites where unexplained incidents have been reported. Now, Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as…

Ancient Aliens has examined the oldest and most mysterious rock art on Earth up close, and Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien…

Ancient Aliens has met with eyewitnesses and traveled to the sites of incredible UFO incidents reported all over the world. Now, Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes…

The team investigates the world's oldest and most incredible relics up close; Giorgio Tsoukalos takes a look back at the most mysterious artifacts from all over the globe, those he believes provide undeniable proof of extraterrestrial…

Ancient Aliens has followed investigators across the globe as they’ve gone directly to the sites where signs of alien life have been found. Now, Giorgio Tsoukalos takes a look back at the most incredible evidence ever uncovered that could…

In Ireland, the notion of the fairy folk dates back thousands of years and originates with stories of powerful shining beings who came down from the sky; exploring if these tales have been inspired by ancient alien visitation.

Ancient cultures around the world often referred to the gods as the “Immortals” — but could they have encountered extraterrestrial beings that had achieved eternal life? And if these visitors genetically engineered the human race, as…

In the nearly 2,000-year-old text called “The Zohar”, there is a curious passage that describes hidden realms beneath the surface of the Earth–each of which is said to be populated by both human and non-human intelligences. Is it possible…

In the 20th century, a mysterious British woman who claimed to be the reincarnation of an ancient Egyptian priestess shocked Egyptologists by accurately locating countless structures and artifacts in the Nile Valley. Could it be that she…

Studies have shown that up to 70% of all UFO sightings happen in so-called ‘hotspots’ where reports of visions, mysterious lights and unusual phenomena are regularly witnessed–and not only in modern times, but dating back thousands of…

More than 10,000 crop circle formations have been documented in over 50 countries, and many display properties that defy conventional explanations. Are they of otherworldly origin? And if so, what is their purpose? Could it be that…

The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turned the world of archaeology on its head, displaying engineering skills far beyond what the people of the time were thought to be capable of. But could new…

The towering obelisks of ancient Egypt weigh hundreds of tons and each was perfectly carved from a single granite rock. While mainstream scholars identify them as monuments to the pharaohs, Ancient Astronaut Theorists suggest they may…

The Mutual UFO Network is an organization devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters; with more than five decades of investigations, MUFON's extensive database could contain…

Meteor impacts have significantly altered our world, creating the perfect environment for the rise of humankind and delivering metals essential to the development of an advanced civilization. But could new evidence reveal that celestial…

The Center for the Study of Extra-Terrestrial Intelligence defines a “Close Encounter of The Fifth Kind” as direct human contact and communication with extraterrestrial life. But is this a classification that will only be useful in the…

The vast Alaskan wilderness is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings; Alaska's many mysteries could be due to a presence that is not of this world.

Terrifying encounters at 40,000 feet. Pilot accounts of UFOs taking control of their aircraft. Entire jumbo jets disappearing into thin air. Since the dawn of aviation, pilots have experienced unexplainable events in the sky. Could they…

Enormous, megalithic structures of mysterious origins. A vast underground complex containing the remains of what some believe to be otherworldly beings. Could the ancient mysteries that exist on the Mediterranean islands of Malta be…

Ancient Aliens is counting down the world’s top ten pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4800-year-old ruins to Egypt’s famous Giza Plateau. Could the extraordinary…

Ancient Aliens is counting down the world’s top ten mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico. Might these sensational…

Ancient Aliens is counting down the world’s top ten mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air. Could…

Around the world and throughout history, people have reported seeing very similar types of unidentified objects in the sky. Now, Ancient Aliens is counting down the top ten alien craft, from V-shaped objects to orbs of light to flying…

In the early 1900s, a modern-day prophet from the hills of Kentucky became a worldwide sensation: Edgar Cayce. He claimed to receive visions of both the past and the future while in a trance, he healed the sick, and alleged to have…

More than 3,000 years ago, the ancient Greeks built an empire that is considered the birthplace of Western Civilization, and they credited their most monumental achievements to gods like Zeus, Apollo, and Poseidon. But is it possible that…

In the 21st century, UFOs have gone from fringe science to mainstream obsession. A new generation of UFO hunters is employing incredible technology, and Unidentified Flying Objects are being openly investigated by the government. Are we…

For thousands of years, people have held the belief that everyday objects can possess hidden energy; talismans are seen to provide protection, good fortune, and some are thought to embody a higher power.

Counting down 10 mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis; these underwater mysteries could provide a record of extraterrestrial visitation.

Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?

Did a biblical patriarch receive instructions from 200 Angels high above the earth? Were the ancient Greeks taught how to work metal by a race of fish-people? And might Egypt's most controversial Pharoah have been an extraterrestrial…

For more than a decade, Ancient Aliens has collected dozens of reports of encounters with strange and mysterious beasts. Now, Ancient Astronaut Theorist Giorgio Tsoukalos takes a look back at The Top Ten Extraordinary Creatures we've…

Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali...

This episode promises a countdown of the most unsettling and enigmatic incidents that suggest possible visitations from beings beyond our world. From a perplexing incident in rural Texas that left witnesses with unexplainable injuries to…

Ancient Aliens is counting down ten of the most intriguing--and mysterious--symbols and codes found across the globe that just might contain proof of otherworldly contact. From glyphs in the Peruvian desert, to spiral petroglyphs embedded…

Ancient Aliens is counting down the top ten most devastating disasters ever documented that might have an otherworldly connection, from a flying monster at a nuclear incident, a meteor that wiped out the dinosaurs, and a deadly virus that…

More than 7,000 years ago, the ancient Sumerians established what is considered the world's first civilization and they credited their extraordinary achievements to their gods, the Anunnaki. But is it possible that these powerful beings…

Along the Earth's north 37th parallel there have been so many reports of unidentified flying objects, animal mutilations, and other mysterious events that it has been dubbed The UFO Superhighway. Could there be something about this…

For thousands of years, Scotland has been an epicenter of otherworldly phenomena; it is home to mysterious ancient stone circles, stories of strange beings, and is a major hotspot for UFO sightings.

Throughout the world there are mysterious ancient stones shaped into perfect spheres; many of them show clear evidence of being manmade and some completely defy explanation; the mystery of the stone spheres could provide clues about…

Considered by many to be the greatest civilization in the history of the Americas, the Maya thrived for more than 2,000 years. Now, new evidence is being discovered that completely upends our understanding of this ancient culture... and…

For thousands of years, cultures around the world have held a belief in stargates through which beings have traveled to Earth from distant points in the universe and even other dimensions. Could such portals truly exist? And if we obtain…

For decades, incredible claims have been made about an extraterrestrial presence on Earth, and the government has gone to great lengths to discredit them.

For thousands of years, humankind has attempted to make contact with beings from beyond Earth; now, the search for extraterrestrial intelligence is ramping up, with new technologies allowing individuals to explore the universe.

Dr. Jacques Vallée has many scientific degrees, is a best-selling author and is regarded as one of the internet's founding fathers. But he is best renowned for his groundbreaking work on the subject of UFOs, where his bold theories call…

Stories of god-like beings providing instruction to early humans, helping establish the first civilizations; exploring if mysterious figures who appear throughout history provide evidence that these otherworldly teachers have been here…

Deep beneath the sands of Egypt lie 24 enormous sarcophagi, and every one of them is empty; discussing what purpose those giant tombs had served.

For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth. Could her investigations on everything from bizarre animal deaths to crop formations and alien abductions lead us…

From biblical patriarchs to modern day alien abductees, throughout history, there have been people who claimed to have contact with otherworldly beings; often bearing important messages for humanity.

Puma Punku in Bolivia features stone blocks, each carved with precision; the blocks lie scattered across the landscape, confusing archaeologists as to what the ancient site might have been.

Ancient Aliens is counting down ten of history's most astonishing discoveries; breakthroughs that challenge traditional beliefs about human history. From a lost city hidden in the Andes, to mysterious metal spheres that are not of this…

Ancient Aliens is counting down the world's top ten most mysterious monoliths. From a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology and ornate pillars that depict…

Ancient Aliens is counting down ten of the most compelling UFO crashes that have been reported across the globe. From an acorn shaped object that crashed in the woods of rural Pennsylvania, to a mysterious craft that washed ashore in…

Ancient Aliens is counting down ten of the most astonishing and unexplainable technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens and an ancient tomb…

Ancient Aliens is counting down ten of history's most compelling and covert projects that study the UFO phenomenon. From clandestine government organizations to agents that silence UFO witnesses and secret programs to reverse-engineer…

Ancient Aliens is counting down ten mysterious mountains that are notorious for otherworldly phenomena. From a summit in Sri Lanka that is said to be a portal to other worlds, a volcano in Washington that was at the center of a famous…

The Aztecs built one of the world's most powerful and feared empires and they claimed that they were guided by a pantheon of more than a thousand gods who came to Earth from different parts of the universe. Could the incredible story of…

Across the globe, reports of mysterious glowing orbs are on the rise. Their movements frequently defy the laws of physics and now they are even being reported near military bases, ships and nuclear weapon facilities. Do they represent a…

Dr. J. Allen Hynek is best known as the notorious government UFO debunker who became one of the founding fathers of ufology. Was Dr. Hynek right when he ultimately concluded that there is a non-human intelligence on Earth?

Volcanoes have inspired countless myths and legends, but curiously, they are also major hotspots for UFO sightings; is it possible that these geological formations, which can generate great energy, are attracting otherworldly visitors?

Throughout the ancient world, there are depictions of mysterious figures that appear to be half human and half bird. In many cultures, they are revered as divine and have magical abilities. But could these so-called "Birdmen" have truly…

All over the world, there are people who claim they have been abducted by aliens; since the 1970s, a growing number of researchers have dedicated their lives to uncover what is behind this disturbing phenomenon.

Examining how thousands of years ago, people all over the world described encounters with enormous, human-like beings; exploring how some archaeologists claim to have found skeletons of extraordinary size; is it possible the giants…

In the age of smartphones and social media, more evidence of otherworldly activity has come to light than ever before. From a giant "shadow monster" witnessed outside a Miami mall to reports of ET encounters in Las Vegas.

From ancient sites like Stonehenge to the crop circle phenomenon and modern-day UFO sightings, Great Britain is a place of mysteries; exploring if throughout history this island has been a destination for extraterrestrial visitors.

The ancient legends of the Norse read like modern science-fiction, with powerful gods wielding incredible weapons and high technology. Could it be that these mythological tales are based on real encounters with extraterrestrial beings?

Japan is a land rich with ancient mysteries, and recently, it has also become known as a UFO hotspot. Could it be, as Ancient Astronaut Theorists suggest, that this island nation has a long history of extraterrestrial activity?

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In every corner of the world, archaeologists have found strange, elongated skulls. Did our ancestors modify the shape of their skulls to resemble extraterrestrials? And might it even be possible that some of these skulls are of…

High above the Giza Plateau stands Egypt's most mysterious ancient site: the Lost Pyramid of Abu Rawash; today, it lies in ruins, but some researchers believe these stone blocks hold profound secrets about an extraterrestrial civilization…

In the western Pacific Ocean is a vast area known as Oceania that is home to the world's most remote and mysterious islands. They are known for massive stone structures, statuary strange figures, and countless legends of otherworldly…

Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation. From the precisely cut stone blocks at Puma Punku, to the gigantic temples of Malta, and the megalithic city of…

Found along the California coast to New York’s Hudson Valley, and Northern England to Southern Chile, could these mysterious locations provide evidence of an extraterrestrial presence on Earth?

From a stone circle in Turkey that challenges the timeline of human history to gigantic stone spheres in Bosnia and Egypt’s most unusual tombs, could these monuments provide proof of extraterrestrial visitation?

The oceans are the most mysterious places on Earth. Countless legends tell of powerful beings living in the waters, and today they are major hotspots for UFOs. Is it possible that the deepest depths of our planet—are home to otherworldly…

Ancient scriptures called the Vedas form the foundation of Hinduism. These manuscripts are thousands of years old and describe a time when Earth was inhabited by gods who traveled the skies in flying machines and possessed extraordinary…

Ancient legends describe a war in heaven that was fought by otherworldly beings with extraordinary weapons. Is it possible that our planet still bears the scars of battles fought by extraterrestrials?

Host Giorgio Tsoukalos probes the series archives to present the most compelling UFO SIGHTINGS. From footage of extraordinary aircraft taken by fighter pilots to a strange object filmed flying over a military base in Iraq and mysterious…

The rapid development of artificial intelligence has made it a powerful tool for historians and archaeologists. But might it also reveal evidence of an extraterrestrial presence on Earth?