The Klein Bottle experimental house design by McBride Charles Ryan started as a sphere but, as is evident from the image above, was radically deconstructed to accommodate the actual spatial needs of the architecture.
Berm Home built into the ground is energy efficient.
An earth-sheltered rental/apt community.holy crap, I think this is so cool! I think this is such a great idea. If done right, think of how economic and environmentally friendly these can be. And probably safe from tornados and stuff too
Hidden house (secretly: Operation Hobbit Hole) - a well-sheltered underground house with hobbit-style entrance. I would love to live in a hobbit-like house. It would be built completely into the hillside and underground. And so well hidden.