Rollercoasters (last time my mom tried to make me go on one, I cried and protested)
Heights (never used to be a problem, seems to have just recently started)
Deep water
Somewhat tied to deep water, but I get antsy when riding on any form of watercraft (boats, ferries, jetskis, etc).
Edit: I also don't like being touched and I don't like being in the middle of a crowded room.