Ancient Aliens: Impossible Artifacts Possess an Extraterrestrial Connection (Season 16) | History

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 A 140 million-year-old hammer found in Texas and an ancient dagger found in Egypt are two of many impossible artifacts that defy explanation, in this clip from Season 16, “Impossible Artifacts.“ #AncientAliens 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: