Here are some more for the NEPA people:
Abandoned Roadway in the poconos on 715 down the street from "the crossings":
Giant's despair hill climb up near Wilkesbarre is cool if you're looking for pics of cars going through crazy turns with insane elevation changes:
I've got 3-4 spots I want to check out this spring that I'll post up in here once I've visited. I think I'll be on the lookout for a lot more locations come this spring as my usual stomping grounds are getting a bit played out. Lets keep this thread going!