2 outdoor bathtub Hotels

Sanctuary Treehouse Resort in Sevierville, Tennessee describes itself as the world's first interactive treehouse resort, which is one way to put it. Another is that someone built a 6-meter (20-foot) slide off the bedroom, installed a drink chute between floors so you never have to carry your own beverage up …

The walls at Sacred Sands are packed with straw. Not metaphorically - straw bale construction means compacted bales stacked, framed, and finished in terracotta clay, resulting in walls so thick they function as their own acoustic system, insulation layer, and fire barrier all at once. It is an uncommon way …