Ancient Aliens is 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?
Stars: Giorgio A. Tsoukalos, Hugh Newman, Chris Hegg
Director(s): Jon A. Levy
Writer(s): Kevin Burns, Max Thompson, Katie Raines