Travel From Spanish castles to hand-carved cottages, your next otherworldly vacation spot is a few clicks away Photo: Courtesy of Airbnb Travel is an opportunity to explore new places, experience new cultures, and create lifelong memories—which won’t be a stretch if you’re vacationing in any of these unique Airbnbs where the accommodation is the destination. After all, why post up in a hotel room , however luxe, when you could spend your nights stargazing from the porch of a tiny house in the American Southwest or take in the Azores vistas via your very own lighthouse ? For a truly unforgettable stay, we scoured Airbnb to surface rentals where panoramic views, outdoor showers, saunas, and soaking tubs play supporting roles to the otherworldly design: Ones hewn into rock and carved into hillsides, located in the remote tundra or desert, and others made by the hand of celebrated architects like Frank Lloyd Wright .…