I went to the crusty-ass, post-apocalyptically deserted Salton Sea once, and it was AWESOME! But due to time constraints, I only made it around the east shoreline.
I need to check out the west side ASAP...I heard they've already started re-developing it :-(
UPDATE 4/14: went back, delved deeper. More info on my blog: http://wonderhussy.com/the-post-apocalyptic-wonders-of-the-salton-sea-and-disneyland-on-shrooms/
IT WAS EVERY BIT AS AWESOME AS I EXPECTED!