Check out this unique Paiggio Ape 3 wheel transport vehicle with a full size cab over diy camper.
This book is chock full of pictures of a variety of different styles of homemade houses on wheels. There are vehicles build out of buses, small rigs and large trucks.
Here is a pop up fiberglass slide in camper mounted on a utility flatbed. The truck is a 1980 four wheel drive Mercedes Unimog 1300. This utility vehicle is capable of traveling off road. This four wheel drive truck could go just about anywhere in the desert. Blazing your own road and going where no one has gone before.
Toyota truck with custom built wood camper