I visited the US Air Force Museum in Dayton, Ohio a few months ago. Less than two miles away from the front gate, hidden behind a screen of woods, is an interesting structure.
It is undergoing renovation at this moment, and there is a big dog set loose in the yard for security. I doubt the owners would be too keen to have people they don't know just show up and start checking the place out, which is why I'm not going to give you the exact address.
But I can see where it could be a nifty place for one of those murder mystery dinners. LARP enthusiasts would certainly want to host some sort of game there, and it would be great to have a Halloween party on the grounds. But I wouldn't want to live there because heating the place would cost an arm and a leg.
The yellow paint job sort of distracts from the spooky factor, though.