They have some great desktop backgrounds.

For example,

http://visualparadox.com/images/no-linking-allowed-/bluemoon.jpg

EDIT: I just noticed by the URL they don't want us to hotlink ;).

They really are beautiful. Awesome ones, at least some of them.

Great Site!!! I found the one I want for Years!!! :thanx:

http://visualparadox.com/images/no-linking-allowed-/whishuponawave640.jpg

This wrings back memories from when I was a little kid:

http://visualparadox.com/images/no-linking-allowed-/autumn.jpg

I just noticed by the URL they don't want us to hotlink ;).

Looks like ray traced images. :) Another great source for that kind of images is Internet Ray Tracing Competition (http://www.irtc.org/)'s web page.