Since this was bumped, I'll add another strange occurrence.
My friends and I were walking outside to leave the convention for the day (go back to our hotel room and relax), and just outside the doors to the convention center or whatever, we found a black thong. Being Hentai-Man, I put them on my head. I even got a picture of it:
Looking back on it, not really a sanitary thing to do. Yuck.