Fuse boxes look neat when they're lit up.
The big fan motor (off, so as to avoid chopping up engineering students)
Beautifully disgusting goo-blob of grease to keep things running smoothly.
The big ol' fan belt in back that keeps it running (fan belt operating fan, that one really makes sense, doesn't it?)
Very old whisk broom hanging out in the corner by another secret doorway!
Oh... it only leads to an extremely dusty swamp cooler. Not overly exciting. But of course, since I went in there (NO ROOM WHATSOEVER) everyone followed with "what's in here?"