Dating back to 1989, the structures provide over 9,000 square feet (836sqm) of inside space in total. The first earth home measures around 2,500 square feet (232sqm), with three bedrooms and two bathrooms, while the second is larger at 6,000 square feet (557sqm) and was designed to accommodate many people.
The latter is laid out over two floors and boasts a basement storage area, numerous small bedrooms, a master suite, 11 toilets, seven showers and two kitchen areas.