Urban Adventure and Exploration Links Industrial Archeology
The best site for Urban Exploration (UE): http://www.actionsquad.org/
New York City exploration: http://ltvsquad.com/
Urban explorer of Buffalo beautiful photos http://jyro.bravepages.com
Web ring of numerous sites: http://e.webring.com/hub?ring=draining&list&page=0
Built Saint Louis: excellent site about the vanishing architectural heritage of St. Louis
http://www.builtstlouis.net
Dark passage: A New York based organization
http://www.darkpassage.com
Xydexx's modern ruins and bannerman's island...
http://www.xydexx.com/modernruins
See Detroit: huge site with lots of photos about all things Detroit.
http://www.seedetroit.com
Mill city museum old urban explorer's playground
http://www.millcitymuseum.org
A neat abandoned hospital site:
http://www.darkpassage.com/hopscotch.htm
more of the same: http://jyro.bravepages.com/am/
and http://jyro.bravepages.com/nc/
Abandoned mental hospitals:
http://urbanadventure.org/builds/aaindex.htm
and http://urbanadventure.org/2002trip/usa/chicago1-mental.htm
Night Photography: http://www.hoursofdarkness.com/Home.htm
There are many excellent urban exploration / industrial archeology sites; see the links pages of the sites above for many more fascinating stories and pictures.