New evidence is being discovered that completely upends our understanding of this ancient culture. See more in this scene from Season 20, Episode 11, "Mysteries of the Maya." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

Check out these unbelievable links between aliens and the Aztecs. See more in this compilation from Ancient Aliens. 00:00 - Chapter 1 07:18 - Chapter 2 10:59 - Chapter 3 15:28 - Chapter 4 Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at ...

It is one archaeologists theory that extraterrestrials were once mating with humans. See more in this scene from Season 19, Episode 10, "The Giants of Malta." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

For thousands of years, pyramids were the largest structures on Earth. See more in Season 5, Episode 1, "Secrets of the Pyramids." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

Are these shapes on Mars merely a coincidence or is this a form of extraterrestrial communication? See more in this scene from Season 1, Episode 7, "Aliens Codes and Messages." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

These islands are home to some of the oldest and most astounding ruins of the ancient world. See more in this clip from Ancient Aliens. 00:38 British Isles 05:58 Malta 10:52 Pohnpei Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. ...

Do these obelisks have UFO-charging powers?! See more in this scene from Season 1, Episode 8, "Energy Lines and Hot Spots." 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 ...

Japan has had multiple incidents that may have included the work of aliens. 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 ...

Explore the tantalizing theory of extraterrestrial viruses seeding life on Earth in this scene from Season 2, Episode 3, "Interstellar Fallout". Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more ...

Unravel the mysterious crash of an NYPD pilot's encounter with an unidentified flying object 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. ...

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 ...

Do the mysteries of Easter Island have something to do with extraterrestrial beings? 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 ...