Ancient Aliens

Ancient Aliens on Location: Decoding the Alien Glyphs (18x13)

Air date: Jul 22, 2022

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.