Detroit,Michigan,US is the world's biggest ghost city. I wouldn't want to live in Detroit per say, but I love the idea of taking an abandoned house and remodeling it to be inhabited again. I love the stone one 8 pictures down.
Terlingua, Texas, ghost town was a Mercury mining town until Not long after, the town was abandoned. An amazing cemetery remains in one of the darkest spots in the US. Great for photographing the Milky Way and a little spooky Kelly DeLay Photography
There are more ghost towns in Nevada than towns occupied by the living. By that count, it would take you years, if not a lifetime, to explore all the ghost towns in the state. If you want to whittle that task down to something more manageable, here are 6