travelnut, thanks so much for the prompt response! I know this kind of site also exists for US cities (NYC) but can't remember the url. Think they've sent a van around to photo every fascade on streets....does anyone know this where you can take a tour up and down any given block if you have the address. Thanks!

This is the trip report Christina mentions:

http://www.fodors.com/forums/threads...p;tid=34737388