10 iconic underground houses that depict an alien world

Malator house, Druidston, Wales Locals call it the 'Teletubby House' because of its turf roof and peephole doorway. This house was literally built into the side of a hill

Eco House, Bolton, England Touted as the first zero carbon property on the North-Western part of England, this beautiful concept is the brainchild of Make Architects. It is an example of vernacular architecture, with the residence constructed from only locally available materials

The Dune House, Atlantic Beach, USA It was built in 1975 by architect William Morgan over an area of 1.500 sq ft with two combined habitats. The house looks as if positioned in an existing sand dune

Hilltop property, Napa Valley, USA This unique concept sort of hints at the modernistic take of the Shire dwellings. The house is divided into four single-leveled compartments all constructed from earth, concrete and steel.

Earth House Estate Lättenstrasse, Dietikon, Switzerland Reflecting the novel notion of 'Living with the ground', the Earth Houses are designed by Vetsch Architecture, boasting of energy efficiency with insulated blankets. The houses are designed in such a way that it not only give its inmates protection from rain, wind and sun but also from internal micro-climate

Edgeland House, Austin, Texas This unusual looking house is located in Austin, Texas and is considered a modern re-interpretation of a traditional Native American pit home.

Kandovan Cave Dwellings, Sahand Mountains, Iran These beehive looking cave dwellings were built by the residents to escape from any war or enemy army, carved out of hills and mountains. Although they are centuries old, few of the houses are upgraded

Vals Hillside House, Switzerland The Hole House in the village of Vals has earned the notoriety for being a cray place. This concrete living area with a quirky elliptical facade, is used as a traditional Swiss barn used as a storage and drying room during the ski season

Aloni House, Greece Aloni, an underground holiday house on the central island of Antiparos, Greece is topped with a green roof that offers panoramic views of the Peloponnese peninsula. It is designed entirely thinking of its plain and dry barren landscape