As you know, Flick is probably the best service for photo management in the planet. And what I've found today is absolutely awesome:
http://www.flickr.com/map
If you have an account in Flickr (or a Yahoo! account), you can link your photos to an EXACT location on the world map, street, avenue, etc. For plus info check here
http://www.flickr.com/help/organizr/#199
Cheers
David.