Ancient Aliens · Season 19 · Episode 20

S19E20 — The Top Ten Alien Petroglyphs

Ancient Aliens — Season 19, Episode 20.

Ancient Aliens S19E20 still
Friday, 15 September 2023· 41 min· ★ 7.5

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?

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