Pennsylvania - Area of significance: Social History
| Promised Land State Park-Bear Wallow Cabins |
| Promised Land State Park Whittaker Lodge District |
| Protestant Episcopal Church of the Saviour |
| Race Street Friends Meetinghouse |
| Racoon Creek RDA |
| Ravensburg State Park |
| Reed Hall |
| Rhone, Leonard, House |
| Riverside Hotel |
| Roaring Spring Historic District |
| Robinson House |
| Salvation Army Building, The |
| Sanatoga Union Sunday School |
| Saturday Club |
| Schaefferstown Historic District |
| Sellers Hall |
| Slickville Historic District |
| Snyder, Caspar, House |
| Social Service Building |
| Soldiers and Sailors Monument |
| South Fork Fishing and Hunting Club Historic District |
| South, George W., Memorial Protestant Episcopal Church of the Advocate |
| Spalding Memorial Library-Tioga Point Museum |
| Star Carpet Mill |
| Stauffer, Dr. B., House |
| Steen, Robert, House |
| St. Elizabeth's Convent |
| St. Gabriel’s Roman Catholic Church Complex |
| St. George's Methodist Church |
| St. Gertrude Roman Catholic Church |
| St. John the Baptist Ukranian Catholic Church |
| St. Joseph's House for Homeless Industrious Boys |
| St. Lukes Episcopal Church |
| St. Nicholas Croatian Church |
| St. Peter's Church |
| Struthers Library Building |
| St. Stanislaus Institute |
| Tabor Home for Needy and Destitute Children |
| Tacony Disston Community Development Historic District |
| Tacony Music Hall |
| Temple Ohave Israel |
| Thaddeus Kosciuszko National Memorial |
| The Hanauer-Rosenberg Residence |
| Thomas, M. Carey, Library, Bryn Mawr College |
| Thunderbird Lodge |
| Tindley Temple United Methodist Church |
| Townhouse Row |
| Twentieth Century Club of Lansdowne |
| Twin Bridges Rural Historic District |
| Union Methodist Episcopal Church |
| United Steelworkers Local #1211 Union Hall |
| U.S. Naval Home |
| Vandergrift Historic District |
| Waggoner, Daniel, Log House and Barn |
| Wagner Free Institute of Science |
| Wall House |
| Warburton House |
| Washington Avenue Historic District |
| Washington Memorial Chapel |
| Weisbrod & Hess Brewery |
| Welsh, John, House |
| Wesley AME Zion Church |
| West End Wheelmen's Club |
| Westinghouse Air Brake Company General Office Building |
| Whipple Dam State Park Day Use District |
| White Hall of Bristol College |
| White Horse Farm |
| White Horse Tavern |
| Windber Historic District |
| Woman's Club of Warren |
| Woodmont |
| Worlds End State Park Family Cabin District |
| Wright's Ferry Mansion |
| Yeates, Jasper, House |
| YMCA of Germantown |
| Young Men's Christian Association |
| Zeta Psi Fraternity House |
| Zion Baptist Church and Educational Annex |
Data from United States Park Service and Wikidata
