Reference photos for level design

Here are some great reference photos for level design.
Great lighting effects, architectural structure and textures.
http://siologen.net/pbase/displayimage.php?album=9&pos=0

hey there is some good reference material in there, shame there's so much camera lense distortion.

We realy don't need more sewers in games... How about a nice outdoor game set in the White Mountains of New Hampshire?

http://www.seamlesstexturegenerator.com/photos/white.mountains/index.html

http://imageafter.com/
http://flickr.com/
http://www.animax.it/animax/Textures.htm