10 Amazing Bubble Hotels With Sci-Fi Style

In central Spain, overnight in one of nine bubble rooms at the Hotel Aire de Bardenas (the hotel also has cube rooms). By day, enjoy a guided hike at nearby Bardenas National Park, the largest desert in Europe, or book an olive oil tour to learn how extra virgin organic olive oil is made. By night, put your phone away, relax and enjoy the serenity of a sky full of stars. From $311 per night.