Kentuck Knob, located in the scenic Laurel Highlands of western Pennsylvania, is a striking example of Frank Lloyd Wright’s Usonian architecture. Designed in 1954 for Isaac and Bernardine Hagan, founders of the Hagan Ice Cream Company.

American architect Frank Lloyd Wright designed Fallingwater in 1935 as a vacation home for the Edgar J. Kaufmann family, owners of Pittsburgh’s largest department store.

The Martin House was a Frank Lloyd Wright design built between 1903 and 1905 for Buffalo businessman Darwin Martin and his family.

Graycliff was designed by architect Frank Lloyd Wright between 1926-1931 for Isabelle R Martin, wife of industrialist Darwin Martin, as a summer home for their family.