They are gone just as fast, their main attractions serving as gas stations, fast-food restaurants and easy access to Joshua Tree National Park.īy the end of this month, however, an Indian casino will open on the national park’s northern edge in Twentynine Palms, just a short drive from the entrance to the Marine Corps Air Ground Combat Center. Heading east on the 62 through the High Desert, a succession of small towns appears in the windshield.