If you're like me, your favorite part of any amusement park was the Funhouse. This site has some wonderful tributes to these rides. And, there's a whole article on one of my favorites from childhood that was torn down just a few years ago, "Le Cachot" from Kennywood Park in PA. I just found out the name translates to "The Dungeon, heh heh. Go figure.

http://www.laffinthedark.com/