Decoding the Alien Glyphs
- Episode aired Jul 22, 2022
- TV-PG
- 42m
![Ancient Aliens (2009)](https://m.media-amazon.com/images/M/MV5BMGY1ZTdmMWItNjI1MS00MTUwLTkwNTgtYTFiMGVjOTBmMDMyXkEyXkFqcGdeQXVyNzM3MjY2MjU@._V1_QL75_UY281_CR11,0,190,281_.jpg)
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 ... Read allAncient 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.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.