You might have already seen Jason Eppink's Total Crisis Panic Button, but did you know it has its own website, complete with locator map?
Better yet, Jason's Flickr gallery is full of roughly 3,000 images. Here are a few highlights:
Porkslap Pale Ale. (Here's the appropriately silly official site.)
Temporarily out of service garbage can.
"Please do not break coconut here!" sign.
Via these sites.
*Previously: Philadelphia has solar-powered trash cans.
*Find vintage signs at eBay.