Kentuck Knob, also known as the Hagan House, is a residence designed by the renowned architect Frank Lloyd Wright.
Fallingwater is a house designed by architect Frank Lloyd Wright in 1935.
Fort Necessity National Battlefield marks the first battle of the French and Indian War.
Wharton Furnace is a historic iron furnace located in Pennsylvania.
The Isaac Meason House is a palatial, four-story mansion renowned for its Federal architecture.