Earth shelter
An earth-sheltered building is a building that is built into a hill, usually with only one full side of the building exposed.
Earth Shelter Media
An earth sheltered house in Switzerland (Peter Vetsch)
"The interior of the hut of a Mandan Chief": aquatint by Karl Bodmer from the book "Maximilian, Prince of Wied's Travels in the Interior of North America, during the years 1832–1834"
Turf house in Sænautasel, Iceland.
Earth house estate in Dietikon made by Peter Vetsch
Earth Sheltered rest area along Interstate 77 in Ohio, USA