The Visitor Center at Valley Forge is open daily, 9 AM to 5 PM. Closed on Thanksgiving, Christmas, and New Year's days. First opened in 1978, the Visitor Center at Valley Forge is a multi-use building designed by Walter Ogg of the Philadelphia firm of Eshbach, Glass, Kale, and Associates, and includes visitor information services, The Encampment Store, and a museum exhibit that tells the story of the Valley Forge encampment of the Continental Army.