Check out the preview for Season 11 Episode 2 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...

Excavation has uncovered large amounts of liquid mercury inside numerous ancient burial chambers. Who put it there, and why? Learn more in this collection of scenes from "The New Evidence." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Check out the preview for Season 11 Episode 3 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...

Check out the preview for Season 11 Episode 4 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...

Check out the preview for Season 11 Episode 5 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...

Check out the preview for Season 11 Episode 6 of Ancient Aliens, new episodes Fridays 9/8c Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check ...

15% of humans have a rare bloodtype known as Rh negative. See what experts have to say about a possible link to extraterrestrial modification of humans in this collection of scenes from "The Prototypes." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

You think the moon is natural, they say it was built. Watch new episodes of Ancient Aliens Fridays 9/8c on HISTORY. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our ...

What if our technology is alien? Watch new episodes of Ancient Aliens Fridays 9/8c on HISTORY. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: ...

An ancient mysterious crash may be evidence of advanced technology. Watch new episodes of Ancient Aliens Fridays 9/8c on HISTORY. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full ...

How did these 18,000 year-old remains end up with modern tools? Watch new episodes of Ancient Aliens Fridays 9/8c on HISTORY. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full ...

Ancient astronaut theorists believe that the ancient Egyptian tombs of early leaders served a more extraterrestrial purpose, and sacred texts hold all of the answers, in this clip from Season 5, "Secrets of the Tombs." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date ...