100 Amazing Flickr Collections for Architecture Buffs | Graduate Degree
http://www.graduatedegree.org/blog/2009/03/100-amazing-flickr-collections-for-architecture-buffs/

Now you don't need to travel across the world to experience some of the world's greatest architectural treasures because here you'll find 100 excellent collections of buildings, details, and more.

100 Amazing Flickr Collections for Architecture Buffs