4 of us are wanting to plan our first big road trip for 12-14 days in August. We will be leaving from NE Arkansas and will be pulling a camper. We are goign to stayin in KOA and want to take a southern route to las vegas then to L.A. then to San Francisco, then back with a northern route through utah, denver and such. Any tips on how to plan this please, we have no idea what to do. we want to spend a night in vegas, a night in san fran, day with wineries and plenty of time along the way to enjoy the sites.