Hey, I saw you were looking for abandoned places to use as photo shoots within PA. I don't know where you're located but I live in Eastern PA and I know you can't drive down a highway without passing old abandoned houses, coal breakers, etc... You should keep an eye out and see if any places like that catch your eye. One of my friends took some really beautiful photos of the interior of an abandoned home in Selinsgrove, PA while I was able to sneak into a fire-damaged house for some interesting photos of the building.