Fallingwater in Fayette County, Pennsylvania
Fallingwater in Fayette County, Pennsylvania
Courtesy Jonathan Lin
The Guggenheim Museum in New York, New York
The Guggenheim Museum in New York, New York
STAN HONDA/AFP/AFP/Getty Images
Massaro House on Petra Island, New York
Massaro House on Petra Island, New York
Bloomberg via Getty Images
Storer House in Los Angeles, California
Storer House in Los Angeles, California
UIG via Getty Images
Ward Willits House in Highland Park, Illinois
Ward Willits House in Highland Park, Illinois
Patrick Grehan/Corbis Historical/Corbis via Getty Images
The Rookery Building in Chicago
The Rookery Building in Chicago
Raymond Boyd/Michael Ochs Archives/Getty Images
Taliesin West in Scottsdale, Arizona
Taliesin West in Scottsdale, Arizona
Chicago History Museum/Archive Photos/Getty Images
The William G. Fricke House in Oak Park, Illinois
The William G. Fricke House in Oak Park, Illinois
Raymond Boyd/Michael Ochs Archives/Getty Images
The Unity Temple in Oak Park, Illinois
The Unity Temple in Oak Park, Illinois
Chicago History Museum/Archive Photos/Getty Images
Hollyhock House in Los Angeles, California
Hollyhock House in Los Angeles, California
Ted Soqui/Corbis News/Corbis via Getty Images
The Imperial Hotel Tokyo, demolished in 1968
The Imperial Hotel Tokyo, demolished in 1968
Hulton Archive/Hulton Archive/Getty Images
Robie House in Chicago, Illinois
Robie House in Chicago, Illinois
Chicago History Museum/Archive Photos/Getty Images
The Marin County Civic Center in San Rafael, California
The Marin County Civic Center in San Rafael, California
Garth Eliassen/Archive Photos/Getty Images
Ennis House in Los Angeles, California
Ennis House in Los Angeles, California
Kirk McKoy/Los Angeles Times/LA Times via Getty Images
The Johnson Wax Research Tower in Racine, Wisconsin
The Johnson Wax Research Tower in Racine, Wisconsin
Eliot Elisofon/The LIFE Picture Collection/The LIFE Premium Collection/Getty Images