The “Crazy House” in Bispingen, Germany

The Egg-Shaped House in Beijing, China

The Tardigrade House in Berkeley, Calif.

The Toilet-Shaped House in Suwon, South Korea

The Cube Houses in Rotterdam, Netherlands

The “House of Stone” in the Fafe Mountains, Portugal

The Hang Nga Guest House in Dalat, Vietnam

The Pod House in Perinton, NY

Igloo in Kvivik, Faroe Islands

The Flintstone House in Hillsborough, Calif.

The Fab Lab House by Instituto de Arquitectura Avanzada de Catalunya

Futuro Houses, Various locations

The Kettle House in Galveston, Texas

The Pickle Barrel House in Grand Marais, Michigan

The Dolphin House in Susami-cho, Japan

The “House in the Clouds” in Thorpeness, Suffolk, UK