Now they’re taking that opulence on the road with the world’s most expensive motorhome — a $2.5 million megamansion on wheels. This isn’t your average RV ... it to run off the grid ...

This weekend, hundreds gathered at the Ozark Empire Fairgrounds for the 36th annual Springfield Mega RV Show, where dealers from all over showcase their RVs. The show also attracts attendees from ...

Perhaps you’ve seen some of the awesome all-terrain mega-RV monsters we’ve featured ... which is already a decent off-road machine. The truck received 18-inch wheels and aggressive rubber ...