If you go southwest, you can camp on most BLM land for 14 days. Get yourself a map that shows who owns what for whatever state you are going to.
Just about everything has been covered in this forum. If you have a particular question, do a search for it under "find".
1981 Foretravel Travco w/Cat Diesel Pusher & Allison Tranny, Towing 4x4 Samurai & Hauling Big Yellow Lab