Randall Carlson & Graham Hancock on Lost Technology and the Great Pyramids

Graham Hancock is a researcher, journalist, and author of over a dozen books including "Fingerprints of the Gods" and "America Before: The Key to Earth's Lost Civilization." Check out his new Netflix series, "Ancient Apocalypse," on November 11. www.grahamhancock.com

Randall Carlson is a researcher, master builder, architectural designer, geometrician, and host of the podcast "Kosmographia." www.randallcarlson.com