Inspiration: Buildings

[Ichimaru]

for all your asian building needs check out http://www.orientalarchitecture.com/

[JustChris]

Here's another place to find worn-down buildings.
http://www.abandoned-places.com/

(Pop-up alert! Well, I use Firefox and I still got pop-ups.)

[Eric Chadwick]

Good links.

Some more...

Abandoned Soviet nuke base
http://russos.livejournal.com/210363.html

More underground sites, from the same photographer
http://russos.livejournal.com/tag/industrial

[Dark_Ghost]

So far, I have seen many posts about abandoned and run-down buildings. I prefer something a little more upscale from time to time, thusly I link to architecture in the Modern and Post-Modern styles.

Modern
http://www.terragalleria.com/picture...-architecture/
http://jan.ucc.nau.edu/~twp/architecture/artdeco/
http://www.eveandersson.com/photos/p...oto_size=large

Post-Modern
http://jan.ucc.nau.edu/~twp/architecture/postmoderncom/

[|Buddy|]

Here's the list I gathered for HL2World.com : (few of them has been reported by others from hl2wrld community)

Images/Photos:

Abandoned & Ruined Stuff:

http://www.zone-a.com
http://www.opuszczone.com/index_en.php
http://www.opuszczone.com/galerie/pripyat/index.php
http://www.opuszczone.com/galerie/uk_prypec/index.php
http://www.abandoned.ru/
http://www.environment-textures.com/...n-Mess&rows=50
imageafter abandoned: http://www.imageafter.com/search.php...arch=abandoned
http://www.lost-least.it/
http://www.forbidden-places.be/
http://striped.online.fr/friched/index.html
http://www.urbanexploration.prv.pl/
http://czarnobyl.cba.pl/zdjecia.html
http://priv.twoje-sudety.pl/~opuszcz...zdj/index.html
http://festung.posen.prv.pl/
alcatraz prison http://www.alcatrazhistory.com/maincell1.htm
http://www.abandoned-places.com/
http://www.pbase.com/giordanoitaly/psychiatrichospital
http://www.pbase.com/robin_r_mitchell/abandoned
http://www.pbase.com/crourke/ue
http://www.pbase.com/jakobe/decay
PRIPYAT http://www.pripyat.com/en/

Interiors & Exteriors & Landscapes:

imageafter interiors http://www.imageafter.com/category.p...&search=search...
imageafter exteriors http://www.imageafter.com/category.p...&search=search...
imageafter industry http://www.imageafter.com/category.p...&search=search...
imageafter landscapes http://www.imageafter.com/category.p...&search=search...

Undergrounds:

Abandoned Tube Stations
http://www.abandonedstations.org.uk/

something
http://www.subbrit.org.uk/

aldwych underground station http://underground-history.co.uk/front.php

Random stuff, didn't yet looked at everything:

http://design.mykurkino.ru/euth/index.php
http://www.archpedia.com/Architecture.html
http://www.abandoned-places.com/
http://www.greatbuildings.com/
http://www.islamicarchitecture.org/
http://www.galinsky.com/
http://www.archinform.net/
http://www.bc.edu/bc_org/avp/cas/fna.../contents.html

http://lhc-integration-photos.web.ce...s15/us15_0.htm http://lhc-integration-photos.web.ce.../rr17/rr17.htm http://lhc-integration-photos.web.ce.../ua23/ua23.htm
http://www.g-cans.jp/intro/07photo/index.html
http://eddie.kbx81.net/dsmall1.html

Europans:
http://www.glio.net/europe/bayeaux/
http://www.glio.net/europe/normandy/
http://www.glio.net/europe/gaden/
http://www.glio.net/europe/mundau/

Texture's and Texture-like photos:

http://www.imageafter.com
http://www.mayang.com
http://www.environment-textures.com
http://www.texturematic.com
http://www.cgtextures.com