07/28/2010 03:23 pm ET | Updated May 25, 2011

The Craziest Prohibition Signs: Who Would Try These Things? (PHOTOS)

Thinking of taking your fancy new elephant out for a spin? Think again. Not with a handy "no elephants" sign keeping the town civilized. Whatever you call them - "no" signs, prohibition signs, circle-backslash symbol - there's no denying their power. Some of these are just ridiculous and many involve toilets. You should know that upperdeckers are frowned upon.