"The wildest request that ever came to anybody through Irving, this one fella sent Irving a black leather pony outfit, now, with a hood that looked like a horse’s head and he wanted me to get down on all fours on the floor and Paula put this thing on me and I was covered head to foot, eyes and all. And I thought, ‘What in the world!? He wouldn’t even know it was me under there!’"
There are abandoned mental hospitals across the U.S. and horror took place in all of them. Here are six of the scariest of them all. See the whole gallery at Stuff You Should Know.