People have been building tiny houses for vacation homes, guest cabins, offices and, of course, as primary residences. Tiny houses, which are usually 300 square feet or less, have become appealing because they're much cheaper to build and maintain.

Tiny houses are springing up around the country. Small homes, usually under 300 square feet, often mobile. They've also been called economical, environmentally friendly, sustainable and cute. We look at what goes into designing, building and living in a tiny house.