Aliens Helped Build Stonehenge?! | History's Greatest Mysteries (Season 4)
How did people carry these MASSIVE stones such a far distance without any modern equipment? See more in this clip from Season 4, Episode 16, "Unlocking the Secrets of Stonehenge."
Watch all new episodes of History's Greatest Mysteries, Mondays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule.
#HistorysGreatestMysteries
Subscribe for more from History's Greatest Mysteries and other great The HISTORY Channel shows:
http://histv.co/SubscribeHistoryYT
Find out more about the series and watch full episodes on our site:
http://histv.co/HistorysGreatestMysteries
Check out exclusive The HISTORY Channel content:
History Newsletter - www.history.com/newsletter
Website - http://www.history.com
Facebook - https://www.facebook.com/History
Twitter - https://twitter.com/history
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.