Unique Lodges of the World From National Geographic

National Geographic’s “unique lodges of the world” collection comprises 24 boutique hotels, including the pictured Kasbah du Toubkal resort in Morocco, with a commitment to sustainable tourism. // © 2015 Kasbah du Toubkal/National Geographic Unique Lodges of the World

Zhiwa Ling’s design reflects Bhutanese culture and has established its own composting and wastewater management system. // © 2015 Zhiwa Ling Hotel/National Geographic Unique Lodges of the World

Longitude 131˚ is built entirely on the curve of a sand dune — invisible to the nearby township where most out-of-town visitors stay. // © 2015 Longitude 131˚/National Geographic Unique Lodges of the World

Aiming to sustain the character of Santorini, Kapari Natural Resort was built out of traditional materials. // © 2015 Kapari Natural Resort/National Geographic Unique Lodges of the World

Surrounded by dense forest, Mashpi Lodge is an ecotourism hot spot; the property recycles and composts its waste and employs wastewater management through a water treatment plant. // © 2015 Mashpi Lodge/National Geographic Unique Lodges of the World