Watch Ancient Aliens – Season 19 Episode 20: The Top Ten Alien Petroglyphs
Cast: Robert Clotworthy , Giorgio A. Tsoukalos , Ariel Bar Tzadok , Jonathan Young , David Childress , Erich von Däniken , Linda Moulton Howe , David Wilcock , George Noory , Philip Coppens
Directors: Kevin Burns
Watch Ancient Aliens – S19E20
Episode Overview
Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?
