Get ready for 90 minutes of automotive mayhem as daredevil drivers smash, crash, bang, flip and more, knocking each other out of the way until only one car is left running and crowned the champ. The L.A. County Fair's annual demolition derby revs up outdoors under the lights at the Pomona Fairplex. This classic pedal and metal-mashing event is loud and exciting fun for the whole family. Pick out a favorite among the competitors and cheer them on to victory.