Ancient Aliens S21E4 · The Top Ten Unexplained Technologies

Ancient Aliens

Season 21 · Episode 4 · The Top Ten Unexplained Technologies · 42 min

Ancient Aliens is counting down ten of the most astonishing and unexplainable technologies in history. From mysterious golden orbs discovered in Mexico, to a sacred wooden box that could communicate with the heavens and an ancient tomb that is said to depict an astronaut. Might these sensational artifacts be evidence of otherworldly contact?