1. A loop-the-loop that twists back around halfway and launches you onto a higher track
2. A half-pipe that would let players pass other cars
3. Giant pillars that shoot out of the ground as you're driving.
4. A mini ramp that bumps you onto two wheels to fit through tight gaps.
5. A big springboard that launches you onto a higher platform.
6. A gigantic Raiders-of-the-Lost-Ark-style boulder that crushes other cars, and is controlled by driving backwards on top of it.
7. A revolving door.
8. Perpendicular ramps.
9. A piece of track that rotates while you're on it and drops you off going in a different direction.
11. The Tacoma Narrows Bridge.