Discover the controversial theory that aliens have visited Earth for millions of years, from the age of the dinosaurs, to ancient Egypt, to the present-day U.S.
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.
Are there 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 cigar-shaped object entered our solar system from another star system traveling in such an unusual trajectory it caused some to suggest that it could be an extraterrestrial craft.
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? Giorgio A. Tsoukalos looks for evidence that extraterrestrials visited Egypt in the distant past.
Treasure hunter Marty Lagina joins Giorgio Tsoukalos to explore the bizarre structures and mysterious pyramids left behind by one of the most mysterious cultures in the ancient world in Sardinia, Italy.
Seven stone giants stand guard over a Pacific island. But what are they protecting--and from whom?
Is it possible that the United States and Russia have been working together from the very beginning of the Space Race--in preparation for an ultimate extraterrestrial encounter?
Ancient cultures from around the world believed that meteorites may have been sacred stones imbued with the power of the Gods. Could these space rocks be pieces of extraterrestrial technology?
Are intelligent robots a threat to humanity--or the next step in human evolution? As man and machine begin to merge, are we fulfilling a destiny prepared for us by aliens thousands of years ago?
Erich von Däniken's book, Chariots of the Gods, challenged everything we knew about mankind's history, suggesting that aliens visited Earth in the distant past.
As humanity prepares to establish colonies beyond Earth, are we simply realizing mankind's future or returning to its extraterrestrial past? And when humans become the alien visitors on other planets, what--or whom--will we encounter?
