1. Festus, Missouri
The sandstone cave out of which Curt and Deborah Sleeper built their underground home, had previous incarnations as both a roller skating rink and a concert venue. The couple purchased the cave from an eBay auction, and created a modern home 15,000 square foot home with geothermal heating. When coupled with the natural insulating properties of sandstone, this system ensures no need of either furnace or air-conditioning.
2. Druidstone, Wales
Built into the bluffs of Wale’s magnificent Pembrokeshire Coast, Malator is a contemporary home – a one-room house which embraces both the surrounding cliffs and the sea, to provide the feeling of being part of the landscape. This architectural treasures combines the old with the new: a steel chimney pokes its way through a turf roof, and inside the rooms are defined by what are essentially colorful pods.