Thousands of people across the planet believe that the world is flat. Why? Their 'evidence,' while not convincing, is certainly bizarre. Tune in and learn more about one of the craziest conspiracy theories on Earth in this episode. http://howstuffworks.com http://facebook.com/ConspiracyStuff http://twitter.com/conspiracystuff http://itunes.apple.com/us/podcast/stuff-they-dont-want-you-to/