Ancient Aliens S21E2 · The Top Ten Mysterious Monoliths

Ancient Aliens

Season 21 · Episode 2 · The Top Ten Mysterious Monoliths · 42 min

Ancient Aliens is counting down the world's top ten most mysterious monoliths. From a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology and ornate pillars that depict otherworldly visitors. Could these extraordinary standing stones provide evidence of extraterrestrial visitation?