Could the lost city of Atlantis actually be an advanced alien civilization that once existed on our planet? In this video, we'll take a look at the evidence that suggests this might be the case. Source

Tune in to Ancient Aliens Fridays at 9/8c on HISTORY. 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 out exclusive HISTORY content: ...

Tune in to Ancient Aliens Fridays at 9/8c on HISTORY. 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 out exclusive HISTORY content: ...

HISTORY presents Ancient Aliens: The Game. Travel back in time to abduct primitive humans, manipulate their DNA, and help build ancient civilizations. What if it were true? Play today! Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find ...

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 ...

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 ...

Giorgio meets with an ex-cop who investigates people who have been abducted by aliens in this collection of scenes from "The Returned." #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch ...

Ancient astronaut theorists ruminate on whether ancient civilizations built their massive structures using alien technology in this scene from Season 12, Episode 8, "The Alien Frequency". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Experts analyze the Vittala Temple's unique pillars, which, when struck, produce amazing soundscapes and scales and question why the temple was built this way in this clip from Season 12, Episode 8, "The Alien Frequency". Subscribe for more from Ancient Aliens and other great HISTORY shows: ...