The Nazis not only had a deluded belief in their own racial superiority, some of their top leaders believed they were superhumans descended from the inhabitants of the lost city of Atlantis. (They had a whole branch of the military dedicated to proving that.)

The Backstory: The Real Life Painful Origin of Barney Fife
08:05

The Backstory: The Tylenol Murders
08:45

The Backstory: Corn Flakes, Rice Krispies and a Billion Dollar Feud
08:53