There's something magical about sleeping under the stars—the velvety sky overhead, the caress of cool breezes, a dazzling sunrise greeted with birdsong. But if that whole business of lying on the ground in a sleeping bag makes you want to sprint to the nearest hotel and hide under the duvet, we have a solution: seven extravagant beds that just happen to be outdoors. They're in the most extraordinary locations, too, such as on a photographer's platform in a South African game reserve, atop a 12th-century fortress in Rajasthan, or amid the mesa