Ancient Aliens S19E12 · The Top Ten Mysterious Devices

Ancient Aliens

Season 19 · Episode 12 · The Top Ten Mysterious Devices · 42 min

Ancient Aliens is counting down the world’s top ten mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico. Might these sensational artifacts provide evidence of extraterrestrial visitation?