Ancient Aliens On Location: Decoding The Alien Glyphs Ancient Aliens : Season 18 Episode 13
TV-PG History 42m int(0)
Aired: July 22nd, 2022 @ 9:00 PM EST on History
Ancient Aliens has examined the oldest and most mysterious rock art on Earth–up close and in person. Now, Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story–of alien visitation.