One weekend each and every July the town of Bloomsburg, PA will be overrun with truck enthusiasts.  The exciting summer 4-Wheel  Jamboree Nationals are hosted at the Bloomsburg Fairgrounds.  Over 3,000 custom 4x4 trucks compete in various events including a ride and drive obstacle course, mud drag racing, burnout competition, and show and shine among others.  There is also a spectacular fireworks display on Saturday evening and a bikini contest.   For three days you can see big trucks, bigger trucks, and monster trucks.  Past participants have included the infamous monster trucks, Grave Digger, Bigfoot, and Avenger.  All of the participants and spectators, both young and old, enjoy seeing these incredible rigs.  The hours of operation for this year show are 10am to 6:30 pm on July 11, 9am to 8:00 pm on July 12, and 9am to 3:00 pm on July 13.