Google Maps' Street View finds its purpose: Butts.

Link : http://maps.google.com/maps?f=l&hl=en&q=museum&near=San+Francisco,+California,+United+States&ie=UTF8&view=map&om=1&layer=c&cbll=37.777452,-122.504927&cbp=1,289.875024308419,0.628713401659621,3&ll=37.784792,-122.502236&spn=0.015093,0.029182&z=15