Nations help tell the story of themselves to themselves with monuments, so let's look at two famous ones in the US of A - Mount Rushmore and the Washington Monument. Secret rooms and hatches, astonishing racial insensitivity, UFOs, Bigfoot, interdimensional portals, ancient weather control tech and a countdown calendar to the Apocalypse. That's a lot to deal with.

See a video version of this episode on our YouTube channel.