I have kids. As such, I frequently bring them to playgrounds and other child-friendly environments. I've seen some odd things, but nothing quite as odd as these:
(Note: Text ads on this page are NSFW, as are some other picture collections.)
Some scary stuff, that. Worst I've ever seen is playground equipment where I haven't the foggiest idea what you're supposed to do with it (and apparently neither does anyone else, because I've never seen anyone playing on it).
"Look kids! There's a giant dead rat caught in a trap."
(via: Boing Boing)