Discover Antarctica's secret past 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: ...

Islam's shrine at Mecca displays a Black Stone believed to have fallen from heaven. See more in this scene from Season 3, Episode 3, "Aliens and Sacred Places." 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 ...