Located on the northeastern borders of the Valley Forge National Historic Park, Washington's Headquarters was built in 1773, serving as George Washington's command post while raising the Continental Army for the Revolutionary War that took place in 1775. The fact that George Washington was a regular here, adds a great deal of historical significance to the building, making it a popular attraction in these parts. The house is open to the public for guided and self-guided tours.
Greenfield Hall in its present form was built in 1841 and represents the Classical Revival style of architecture. The mansion is now the headquarters of Historical Society of Haddonfield. The society converted the mansion into a museum which presents a tour of their dining room, parlor and bed room, all restored to represent the 1841 period. The other two rooms of the house are dedicated to the collection of historic artifacts of the town. The museum is open on every first Sunday of the month between 1:00 p and 3:00 p.
The Chad House is a National Historic property architected by John Wyeth Jr. for John Chads. The house is beautifully settled on a hilltop overlooking the Brandywine river plain. The property was later purchased by Chadds Ford Historical Society and furnished with early 18th century Pennsylvania architecture. Guided tours are available on weekends.
The Hadrosaurus Foulki Site is an archaeological site in Haddonfield. In 1838, the first almost-complete set of dinosaur bones was discovered at this site, drawing researchers and curious visitors to the town from all over the world. Excavated by William Parker Foulke, the dinosaur came to be named as Hadrosaurus foulkii. Today a designated National Historic Landmark, the Hadrosaurus Foulki Site makes for an educational visit where visitors can learn more about the dinosaur and the fascinating excavations.
The Visitor Center at Valley Forge is an educational center located in Valley Forge National Historical Park. The center is dedicated to preserving and sharing the history of the American Revolution and the significance of Valley Forge as a pivotal moment in the war. It features a variety of exhibits and multimedia presentations that explore the experiences of soldiers, officers, and civilians during the encampment at Valley Forge in the winter of 1777-1778. Here, visitors can see artifacts, paintings, and interactive displays that tell the story of the Continental Army's struggles during that time.