
Ariau Towers Hotel, Brazil Not for the acrophobic, this hotel lets you sleep in the treetops of the Amazon Rainforest. “Tarzan’s house,” for example, is perched on stilts 80 feet above the ground. Situated on the bank of the Negro River, Ariau’s apartments, suites and tree houses are linked by a series of catwalks Beckham Creek Cave Haven, Parthenon, Ark. A “luxurious cave” may sound like the ultimate contradiction. This property, built into the Ozark Mountains, features natural rock walls and ceilings as well as Jacuzzi bathtubs and large windows for letting in light. Built as a Cold War bomb shelter by John Hay, founder...