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 bestinclass documentary events, to a signature