Exterior, House Building Type, Glass Siding Material, Flat RoofLine, Metal Siding Material, and Metal Roof Material Built in 1954, the Donald and Helen Olsen House was designed by Berkeley architect Donald Olsen and is a well-preserved example of International Style. A modern masterpiece in Northern California's Berkeley Hills, the architecturally significant dwelling was landmarked by the city in 2009 and added to the National Register of Historic Places in 2010.   Photo 10 of 51 in 50 Jaw-Dropping Glass Houses That Shatter Expectations

50 Jaw-Dropping Glass Houses That Shatter Expectations

10 of 51

Built in 1954, the Donald and Helen Olsen House was designed by Berkeley architect Donald Olsen and is a well-preserved example of International Style. A modern masterpiece in Northern California's Berkeley Hills, the architecturally significant dwelling was landmarked by the city in 2009 and added to the National Register of Historic Places in 2010.