Earth homes or bern houses are usually set on a terrain. Walls or parts of the walls are set partially on the ground and the roof is usually covered with grass or greenery. Many earth homes are adapted in Iceland, and New Zealand. Many people also refers to it as hobbit house, as it is the kind of dwelling used by hobbits in Lord of The Ring.
Many modern designs of earth homes or bern are built using monolithic technology. According to those who developed this, it is self sustainable, green and designed to sustain even during earthquake, flood or heavy storm. Here are other designs and floor plans of different dome house or monolithic house.