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 ...

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 ...

An object that appeared to be two flying saucers merged together crashes in Italy. 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 ...

What is the truth behind the different texts in the bible? See more in this scene from Season 2, Episode 8, "Aliens and Mysterious Texts." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Could there really be hidden extraterrestrial bases at these landmarks? See more in this compilation from Season 20, Episode 3, "The Top Ten Hidden Alien Bases." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

The French government releases information regarding Unidentified Aerial Phenomena to the public. See more in this scene from Season 2, Episode 9, "Aliens and World Leaders." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Unidentified air conditions in China shock civilians and government officials alike. See more in this scene from Season 2, Episode 9, "Aliens and World Leaders." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Check out these shocking UFO sightings in this compilation from The Proof Is Out There. Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. If you are interested in ...

Across the globe, monumental stone figures silently bear witness to a forgotten era. See more in this scene from Season 2, Episode 10, "Alien Effigies." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for ...

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. See more in this scene from Season 20, Episode 7, "Secrets of the Sumerians." Watch your favorite ...

Ancient Aliens is counting down the top ten most devastating disasters ever documented that might have an otherworldly connection. See more in this scene from Season 20, Episode 6, "The Top Ten Alien Disasters." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...