Ancient Aliens: Aliens Construct the 8th Wonder of the World (Season 18)

Ancient Astronaut Theorists believe that extraterrestrials might ve been crucial to the construction of Nan Madol, in this clip from Season 18, "Beneath the Sacred Temples." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: https://histv.co/AncientAliens Check out exclusive The HISTORY Channel content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. The HISTORY Channel® 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.