Over the summer I took a trip to Disney's California Adventure, and they have free lockers outside their raft ride for storing your stuff. When you put your stuff in the locker, they give you a random 6 digit code that you use to reopen them. My code was 190-126, which was quite easy for me to remember. I would've taken a picture, but my camera was inside the locker at the time.
However, I do have a picture that was quite obvious, since it was taken only a few miles from WPI:
