Pennsylvania - Area of significance: Exploration/Settlement
| Trimbleville Historic District |
| Troxell-Steckel House |
| Tulpehocken Creek Historic District |
| Turn, John, Farm |
| Union Church and Burial Ground |
| Upper Aquetong Valley Historic District |
| Waggoner, Daniel, Log House and Barn |
| Wall House |
| Weaver, Henry, Farmstead |
| Whitefield House and Gray Cottage |
| Wilson, George, Homestead |
| Wolley Stille |
| Womelsdorf Historic District |
| Wormley, John, House |
| Worth-Jefferis Rural Historic District |
| Zion Lutheran Church and Graveyard |
Data from United States Park Service and Wikidata
