Natural-disaster-proof dome homes can cost $350,000. The average US house is valued at $330,000. The domes are designed to resist extreme weather, which displaced 3.3 million Americans last year.

Ganadi also questions the earthquake resistance of superadobe domes. In September, Morocco was hit with a devastating quake that killed almost 3,000 people. Ouzrai says attitudes are slowly changing.

Dome homes are built to withstand extreme weather — ideal for areas prone to natural disasters. Dome homeowners said the structures' energy efficiency saves them money on energy bills.

Architect achieves stunning breakthrough with earthquake-resistant house design — and it could soon replace 50,000 homes first appeared on The Cool Down. advertisement The Cool Down ...