1. Hotel Costa Verde, Provincia De Puntarenas, Costa Rica - This upcycled 1965 Boeing 727 is a two bedroom guest house.

2. Manta Resort, Pemba island, Zanzibar - Book the underwater room to sleep below the surface.

3. Palacio De Sal, Salar De Uyuni, Bolivia - The Palacio is constructed almost entirely of salt.

4. Treehouse Lodge Resort, Iquitos, Peru - Guests sleep above the forest canopy at 67 feet off the ground.

5. Golden Crown Levin Iglut, levi, Finland - A glass ceilinged igloo offers a panoramic view of levi, Finland.