The Truth Behind These Unexplained Phenomena | Ancient Aliens

Explore some of the most mysterious theories from Ancient Aliens — from a forbidden mountain and possible alien superconductor technology to a baffling “cool” UFO encounter and the legend of a hidden underwater world. Ch1 0:00 - "Do Not Go There" Mountain Ch2 3:44 - Superconductors - Alien Tech?...

20 min - Space & the Universe - HISTORY

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