History's Greatest Hoaxes

History's Greatest Hoaxes looks at some of the most spectacular hoaxes that show that you can fool some of the people some of the time, but not all of the people all of the time. It looks at remarkable hoaxes including the Hitler Diaries, the Piltdown Man, the War of the World broadcast, Papillon, the Loch Ness Monster, and the Alien Autopsy film.