The Darwin D. Martin House is a prominent example of Frank Lloyd Wright's Prairie School architecture, located in Buffalo, New York. Built between 1903 and 1905, it was designed for businessman Darwin D. Martin and his family. The house features a unique open floor plan, extensive use of natural materials, and a harmonious integration with the surrounding landscape. The complex includes several structures, such as the main house, a carriage house, and a pergola. The Darwin D. Martin House is recognized as a National Historic Landmark and is celebrated for its innovative design and historical significance in American architecture.