Every year, a huge congregation of RV's, travel trailers, snowbirds, overlanders, and off-road enthusiasts happen to all converge in the tiny, dusty town of Quartzite, Arizona.

Hotels.com is here to help: The site is dishing out cash to spend on nights in hotels in exchange for pictures of your dusted-up RV. The site is appraising photos of the RVs, and customers can ...