The cube-shaped hotel concept has been swiftly spreading from its birthplace in Spain all over the globe. And for travelers who admire minimalist accommodations with jaw-dropping vistas, there's no better way to vacation. Here, <a href="http://www.trivago.com/">Trivago</a>, an online hotel search site, rounds up nine cool cube hotels in different countries, such as Treehotel in Harads, Sweden.

Sleepbox Hotel Tverskaya in Moscow, Russia - An affordable alternative for utilitarian travelers, the 60-room Tverskaya is the first capsule-style hotel in the city and outfits each box with free Wi-Fi, LED television, noise-insulated walls and access to a lobby with a wall of iPads acting as concierge.

Longitude 131 in Yulara, Australia - An encampment of 15 cube tents in the Uluru-Kata Tjuta National Park of central Australia, this luxurious camp redefines the term "glamping" with four-course meals, fine wines, and an adjacent spa.

Hotel Viura in La Rioja, Spain - Superimposed asymmetrical cubes flock the facade of this modern hotel set in the middle of rural wine country. An eco-traveler's dream, the hotel promotes green living and offers complimentary bicycles.

Hotel Endémico Ensenada in Mexico - Eco-minded wine-lovers get a bird's eye view of some of Mexico's most popular vineyards from Hotel Endémico Ensenada's luxurious hillside bungalows overlooking the sprawling Guadalupe valley.

Consolacian in Aragon, Spain - Ten cube-shaped cabins are scattered among the pine and olive trees that dot the hotel grounds. Plus, each room enjoys its own sleek, slate bathtub as well as a hanging cast-iron fireplace.

Areias do Seixo Charm in Pavoa de Penafirme, Portugal - Just an hour north of Lisbon, this chic abode has a deceivingly rustic exterior but offers sleek amenities once inside. Each room comes with its own fireplace or wood stove. Or, if you prefer to socialize, you can sip wine at one of the nightly communal bonfires outside.

Aire de Bardenas in Navarre, Spain - Serene views of The Bardenas Reales National Park, a 100,000-acre semi-desert expanse decorated with dramatic sandstone plateaus, surround the sleek cubic structures of this Spanish sanctuary.

Casa de la Flora in Phuket, Thailand - Situated on the edge of the Khao Lok rainforest of Southern Thailand, 36 cube-shaped villas make up this modernist hotel. Gaze out over the Andaman Sea as you enjoy a traditional Thai massage or tropical cocktail.