Immortality, Lost Tech & Mysterious Sites | Ancient Aliens

Join David Childress as he investigates the mysterious Immortality Machine, the mind-bending ruins of Puma Punku, and some of the most enigmatic ancient sites on Earth. See more in this Ancient Aliens compilation. Find out more about the show and watch full episodes on our site: "Ancient Aliens"...

19 min - Space & the Universe - HISTORY

More: Searching for Aliens documentaries

Read Deeper: Searching for Aliens

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3. Rare Earth by Peter Douglas Ward - View on Amazon
4. The Smallest Lights in the Universe by Sara Seager - View on Amazon
5. Strange New Worlds by Ray Jayawardhana - View on Amazon

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