Ancient Aliens · SEASON 19

The Top Ten Alien Petroglyphs

Episode 20 · 2023-09-15

★ 7.5
Ancient Aliens poster
Season 19Episode 20★ 7.5/10
  • Documentary
  • Mystery
  • Sci-Fi & Fantasy

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?

41 minutes

Season 19 episodes