A guy came up to me and said "in the summer, all these posts are covered in spiders." As that was obviously a code phrase, I gave him the countersign and we began to negotiate. Our conversation was heavily encrypted, and it was hard to sort the signal from the noise, but there were three promising clues: 1. an office building, hollowed out, made into a 20 story state park. 2. the Green Monster. 3. Haunted Mini-Golf (or "Putt Putt," if you like.)