Ancient Aliens: 4 BAFFLING UNSOLVED STONEHENGE MYSTERIES

Check out these 4 mind-blowing theories about Stonehenge, in this compilation from Ancient Aliens. 00:00 - Extraterrestrial Communication at Stonehenge 03:08 - The Purpose of Stonehenge 07:02 - The Mysterious History of Stonehenge 11:00 - Was Stonehenge Built by GIANTS?! Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/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.