Spied this in the internet this morning, a series of photos showing the crumbling nature of once mighty Detroit auto factories, and Nature's slow reclamation of the decaying urban landscape...
http://jalopnik.com/5330189/the-feral-factories-of-detroit/gallery/?skyline=true&s=i
Got this from Jalopnik (those guys do seem to have a lot of fun over there), and clicking through all the photos brings to the surface a whole range of emmotion. It's really like going to a really cool junkyard or aircraft boneyard that's full of once great cars.