Ancient Aliens (2010)

S19E12 The Top Ten Mysterious Devices

In this episode of Ancient Aliens, the countdown reveals the top ten enigmatic devices from around the globe. The list includes bizarre, grooved disks discovered in a Chinese cave, the remarkable Antikythera mechanism from ancient Greece, and a stunning crystal skull found in Mexico. These captivating relics raise intriguing questions about the possibility of extraterrestrial influences throughout history.