Fort Necessity National Battlefield is a landmark that marks the first battle of the French and Indian War.
Fort Cumberland was a frontier outpost during the British colonial era.
Fort Lafayette, once called Fort Fayette, was an American fortification in Pittsburgh, Pennsylvania.
Fort Duquesne was a fort established by French colonists in 1754, during the early stages of the French and Indian War.
Fort Steuben is a reconstructed 18th-century fort, now serving as an open-air museum.
Fort Seybert was a small stockaded fortification used as a defense against Native American tribes.