Top 100 Artifact Videos With The Most Comments by HISTORYTop 100 » 200 » 300 » 400 » 500Video TitleCommentsCategoryGame1.Ancient Aliens: UFO Artifact Found Next to Dinosaur Bones (Season 12) | Exclusive | History2,857ShowArtifact 2.Ancient Aliens: Ancient Artifact's Extraterrestrial Origins (Season 12) | History595ShowArtifact Top 100 » 200 » 300 » 400 » 500