Ancient Aliens: Stonehenge's Sacred Alignments (Season 12) | Exclusive | History

Watch new episodes of Ancient Aliens returning Saturday Jan 25, at 10/9c, and stay up to date on all of your favorite History Channel shows at Ancient Astronaut Theorists explore how England’s Stonehenge functioned as an ancient observatory of the stars – and how ancient people had the technology to construct it, in this digital exclusive from Season 12. #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: Find out more about the show and watch full episodes on our site: Check out exclusive HISTORY content: History Newsletter: Website – Facebook – Twitter – “Ancient Aliens” explores the controversial theory that extraterrestrials have visited Earth for millions of years. HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.