You ever gone through crazy Wikipedia link chains? You know, where you start off reading about The Simpsons Treehouse of Horror Episodes and you click this link and go to this other thing and before you know it, you end up learning all about the mathmatical issue known as "pancake sorting"?
Share some of your favorite random, weird, crazy, WTF, mind-boggling, huh-inducing, mindf*ck Wikipedia pages you've come across.