Valley Forge National Historical Park is located in Pennsylvania and is known for its significant role during the American Revolutionary War. It served as the winter encampment for the Continental Army, led by George Washington, from December 1777 to June 1778. The park preserves the history of this challenging period, where soldiers faced harsh conditions and shortages. Today, the park features various trails, historical structures, and monuments that commemorate the sacrifices made by the troops. Visitors can explore the Valley Forge Visitor Center, which offers exhibits and educational programs about the encampment and the broader context of the war.