Unlock the Secrets of Egypt's Pyramids! Explore their 1000-year history, from early experiments to the Great Pyramids of Giza. Discover construction theories, including the intriguing internal ramp hypothesis. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

Project STARGATE: Did the CIA's Declassified Psychic Experiments Actually Work?

Decoding The Unknown explores history's deepest mysteries to see if we can draw any conclusions about what actually happened. Russian hikers killed by a yeti? Aircraft lost to sea monsters? Probably not, so let's try and figure out what really happened. New episodes every Friday. Also on YouTube!