The infrastructure of the Lighthouse hotel off the coast of South Korea harnesses energy to keep it running year-round Located near the Louisiana coastline, the proposed Self-Excavation Hurricane House rotates to excavate the ground during storms The Eco-Crematorium concept features reflectors that can be angled for the strongest solar concentration on the crematorium chamber Renderings courtesy of MARGOT KRASOJEVIC The Artificial Snow Cave Hut in the Himalayas would use snow as an insulating material, providing climbers safe refuge