Ancient Aliens · S18E02
Mystery of the Standing Stones
2022-01-14 · 42 min · 3.0 (1) · TMDB
It is one of the greatest mysteries of the prehistoric world: why did people on nearly every continent erect giant standing stones? According to Ancient Astronaut Theorists, the placement of these monoliths and their geological makeup could point to extraterrestrial intervention--and. quite possibly, a technology that once existed on Earth far more advanced than our own.