Designed in 1968 for a former U.S. ambassador to Iceland, the Earth House in Longbranch, Washington, was inspired by the sod-roof houses common in Reykjavik. The house, which was cut into a hillside, and pool were sited to capture views of Mount Rainier.  Photo 6 of 7 in In Omaha, an Exhibit Celebrates 50 Years of Olson Kundig