Tetra Hotel Tetra is the Boutique Hotel of the Future. The accommodation undertaking includes a unique hotel design – An assortment of triangular concrete pods. These futuristic hotel pods look like… Something straight out of a sci fi movie. The Tetra Hotel plans to launch roughly 42 concrete pods, Positioned in some of the world’s most magnificent… and remote locations. The premiere location of the futuristic Tetra Hotel… Is yet to be confirmed. Trekbible.com