The Hollow Man

Sure, there were once proponents of the theory that the earth was flat, but all of those theories were eventually dispelled during the 15th century's age of exploration. Still, did you know that as recently as the 1800s, an American man named John Symmes attempted to convince the world that the earth was hollow? And he almost succeeded! https://www.patreon.com/c/HistoryShortsPodcast Learn more about your ad choices. Visit megaphone.fm/adchoices