The U.S. Cellular Center in downtown Cedar Rapids, Iowa hosted the E3 Spark Plugs Monster Truck Nationals Presented by Lucas Oil. The Monsters took to the dirt surface with two nights of action. Star Marshal, Chalkboard Chuck, The Lucas Oil Stabilizer, Rock Solid; and Bigfoot entertained the crowd along with the Freestyle Insanity FMX jumpers. Check out Treadhead's awesome dance moves.