Ancient Aliens

Season 18, Episode 13

Episode Title: Ancient Aliens on Location: The Alien Glyphs

Air Date: 2022-07-22

Overview:

Ancient Aliens has examined the oldest and most mysterious rock art on Earth up close, and Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.