Despite high gas prices, the allure of RV travel has not lost its appeal in America. RV and campground trade associations are saying 2008 appears to be just as busy as previous years, with an estimated 1.1 million-plus recreation vehicles rolling into National Park Service campgrounds.

So clearly, we love our houses on wheels. But settling for a modest rolling home, well, that borders on communism. What we're about is the biggest and best. We need to know what's out there in order to dream of luxury and excess.

To stoke these deeply American desires, we compiled a gallery of some of the most opulent RVs we could find -- the posh and pimped of portable abodes.