Is this the largest monster RV in the world? We get a guided tour with Clayton the nutty professor of the RV word.

Key sites in Manassas and Prince William County took the spotlight in a TV show broadcast on the Discovery Channel.

This also means that they come in an array of sizes and shapes, as varied as the vehicles they can carry, and today, we'll be exploring a toy hauler born of camper ... design. However, their UH18, or ...