Yeah, CMU is a very, very odd place.
I had my first fraternity party experience there as a naive, scared seventeen-year-old. I was visiting my then boyfriend and just wanted to spend time with him, but he insisted on dragging me to this party (I don't know which house it was). I told him that he was not to leave me alone under any circumstances, as I didn't know anybody else, and y'know what the bastard did? Left me alone. Like I said, better off without him.
Whoops, sorry for the tangent, there.
But CMU is a very, very odd place.
The Kappas there are nice, though.