Learn the secrets and ideas of Da Vinci in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

Delve into the astonishing account of a man with an unearthly ear implant in this scene from Season 2, Episode 4, "Extraterrestrial Close Encounters". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for ...

Might this structure belong to an extraterrestrial epoch in Earth's history? Find out in this scene from Season 2, Episode 5, "Aliens and the Buried Past". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe ...

The theory surrounding Baalbek suggests that the construction of the site might have had assistance or guidance from beings beyond Earth. Find out more in this scene from Season 2, Episode 5, "Aliens and the Buried Past". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel ...

Let's analyze secret alien codes. See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more ...

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? See more in Season 4, Episode 8, "The Da Vinci Conspiracy." Watch your favorite episodes of ...

Alaska's extensive wilderness is known for unexplained disappearances, electromagnetic anomalies, and mysterious creature sightings. Learn more in this scene from Season 2, Episode 6, "Mysteries Beneath the Ice". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...

Do these ancient Chinese legends actually reference alien activity? See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other ...

There have been many reports of extraterrestrials seen in Alaska. See more in this scene from Season 2, Episode 6, "Mysteries Beneath the Ice." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Did the early civilizations of this Italian region come into contact with extraterrestrials? See more in this scene from Season 2, Episode 7, "Alien Outposts." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Which of these otherworldly teachers had the largest impact? See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great ...

These ancient "wheels of knowledge" can be found all across the globe. See more in this scene from Season 2, Episode 7, "Alien Outposts." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...