Built partly over a waterfall in southwestern Pennsylvania, Fallingwater (constructed 1936-1939) is considered one of Wright’s greatest masterpieces. The building is a National Historic Landmark and has welcomed over five million visitors since the site was opened to the public in 1964. 
  Photo 5 of 8 in 8 Frank Lloyd Wright Buildings Inducted Into the UNESCO World Heritage List

8 Frank Lloyd Wright Buildings Inducted Into the UNESCO World Heritage List

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Built partly over a waterfall in southwestern Pennsylvania, Fallingwater (constructed 1936-1939) is considered one of Wright’s greatest masterpieces. The building is a National Historic Landmark and has welcomed over five million visitors since the site was opened to the public in 1964.