My roomates and i are driving from Tennessee to wyoming, passing through illinois, missouri, nebraska then upto jackhole Grand Tetons area. The we are heading down to Amarillo following Route 66 bak towards Arskansas then back to Tenn. I was wondering if anyone had been on any simialr trips along any of these paths and has any suggestions on campsites, must-see's/do's, cool places to visit, cool places to eat, or any advice or input anyone has would be awesome!!