Ancient Aliens
In England, the mysterious monument of Stonehenge stands as an astonishing feat of ancient engineering—yet how it was built remains one of history’s greatest enigmas. See more in this clip from Season 21, Episode 15, “Britain’s UFO Files.”
YouTube link: https://youtu.be/s7Mlh2yE1sU?si=iEMVoul5Nv4jEQQo