Ancient Aliens: 3 UNBELIEVABLE ALIEN ARTIFACTS REVEALED (Season 17)

Check out these top 3 groundbreaking alien artifacts, in this Ancient Aliens compilation. #AncientAliens Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The HISTORY Channel website at Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: Find out more about the show and watch full episodes on our site: Check out exclusive The HISTORY Channel content: History Newsletter - Website - Facebook - Twitter - ““Ancient Aliens““ explores the controversial theory that extraterrestrials have visited Earth for millions of years. The HISTORY® Channel, a division of A E Networks, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature