Ancient Aliens

Season 18 Episode 13: Ancient Aliens on Location: Decoding the Alien Glyphs

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.

Genre:

Documentary, Mystery, Sci-Fi & Fantasy

Seasons:

22

Episodes:

290

Cast:

Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok

Quality:

HD

Duration:

42 min

First Air:

2010

Rating:

7.1