Monolithic Domes

The dome, when finished, is earthquake, tornado and hurricane resistant and will not burn (FEMA rates them as "near-absolute protection" from F5 tornadoes and Category 5 Hurricanes). The Monolithic Dome can also be built completely underground for you fanboys of The Road.

http://www.monolithic.com/

http://en.wikipedia.org/wiki/Monolithic_dome