Exterior, Stone Siding Material, Concrete Siding Material, and House Building Type Built in 1948 and named 'Toyhill' by Wright himself, this Usonian home is considered an artistic masterpiece and shows Wright's early interest in overlapping circular masonry, which would become an innovative and iconic treatment found in his later work—including the Guggenheim Museum.  Best Photos from What You Need to Know About Frank Lloyd Wright's Usonian Homes