The Monster Trucks have a fun paintball competition and learn about primary colors (blue, red, yellow). And then what happens when you mix the primary colors together- you get the 3 secondary colors ...

The U.S. Army Sustainment Command's color guard posts the American flag for the national anthem during the Monster Truck Jam held at the iWireless Center in Moline, Il on 30 April. (Photo by Bonnie ...

Grave Digger has been thrilling monster truck fans for more than 30 years. Here's what makes it such a beast. For decades, the Grave Digger monster truck has been filling arenas with fans who come to ...