Detroit

The Fabulous Ruins of Detroit.  An excellent and very comprehensive photo essay on neglected and abandoned buildings and other sites in Detroit; plus examples of restoration and reuse. Several clickable maps are included.  Created by Lowell Forest Boileau.   [ccr]
http://detroityes.com/toc.htm 

Forgotten Detroit.  A collection of photos and histories of interesting Detroit buildings, including hotels, theatres, office buildings, and others.  A downtown map identifies the location of most of them.  By David Kohrman.  [ccr]
http://www.forgottendetroit.com/