My strangest was during a recent explore of one mental institute where I found a full detailed annual report of completely separate mental institute from 1978. It was near mint condition, obviously done with a type writer, containing all the info of the complex, it's concurrent doctors and patient plans, and pretty much anything you could ever want to know about the place. It was sitting under a pile of burned and mangled books/folders, nearly untouched by the elements time and weather. Not only was it impeccable for its age, what really struck me as strange was the fact that it wasn't just in the wrong doctors office, it was in the wrong institute entirely. I guess it shows doctors from neighboring facilities worked together in their field.
Strange but not informative: someone made a Hansel and Grettle style breadcrumb line of porno magazine pages through this one abandoned mental asylum that started at one end and lead you all the way to the roof. It kinda creeped me out. Following them I passed a room with a jason mask dangling in the window:
1.