Top 100 Artifact Videos With The Longest Duration by HISTORYTop 100 » 200 » 300 » 400 » 500Video TitleDurationCategoryGame1.Ancient Aliens: Ancient Artifact's Extraterrestrial Origins (Season 12) | History3:39ShowArtifact 2.Ancient Aliens: UFO Artifact Found Next to Dinosaur Bones (Season 12) | Exclusive | History2:48ShowArtifact Top 100 » 200 » 300 » 400 » 500