Philadelphia Society for the Preservation of Landmarks

PhilaLandmarks owns and operates three 18th century historic house museums (Powel House, Hill-Physick House and Grumblethorpe) in the city of Philadelphia and operates a fourth 18th century historic house (Historic Waynesboroug ... h) in the suburbs. The houses are available for tours, education programs and event space for private events. They all boast gorgeous gardens that are also available for private event space.