Pennsylvania - Significance region: Local
| Beechdale Bridge |
| Beechwood Elementary School |
| Belgravia Hotel |
| Bellefonte Forge House |
| Bellefonte Historic District |
| Bellemonte Silk Mill |
| Bellevue Stratford Hotel |
| Bellevue Worsted Mills |
| Bell, John C., House |
| Bell, John, Farm |
| Bellman's Union Church |
| Bell Telephone Company Building |
| Bell Telephone Company of Pennsylvania Western Headquarters Building |
| Bell Telephone Company of Pennsylvania – Wilkes-Barre Central Office |
| Bell Telephone Exchange Building |
| Belmar School |
| Belmont |
| Belmont School |
| Beltzhoover Elementary School |
| Benjamin Franklin Hotel |
| Bergdoll, Louis, House |
| Bergdoll Mansion |
| Berger, John & Son, Company Tobacco Warehouse |
| Berk, Daniel, Log House |
| Berkheimer, Henry and Elizabeth, Farm |
| Berkley Historic District |
| Berks County Trust Company |
| Bethany Presbyterian Church |
| Bethel African American Episcopal Church of Monongahela City |
| Bethel A.M.E. Church |
| Bethel Burial Ground |
| Bethlehem Silk Mill |
| Beulah Presbyterian Church |
| B.F. Good & Company Leaf Tobacco Warehouse |
| Biery's Port Historic District |
| Biever House |
| Big Bend Historical Area |
| Bindley Hardware Company Building |
| Birchrunville Historic District |
| Bird-in-Hand Hotel |
| Birmingham Bridge |
| Birmingham Public School |
| Birney, Gen. David B., School |
| Bishop, John, House |
| Bishop Mackay-Smith House |
| Bixler, Michael and Magdealena Farmstead |
| Black Horse Inn |
| Black Horse Tavern |
| Blackwell Methodist Episcopal Church |
| Black, William, Homestead |
| Blair County Courthouse |
| Blankenburg, Reudolph, School |
| Bliss, Phillip Paul, House |
| Bloomsburg Historic District |
| Blumenthal Brothers Chocolate Factory |
| Blythe, Benjamin, Homestead |
| B'Nai Jacob Synagogue |
| Boalsburg Historic District |
| Board of Education Building |
| Bobb, Barnett, House |
| Boekel Building |
| Boggs Avenue Elementary School |
| Boiling Springs Historic District |
| Bok, Edward, Vocational School |
| Bollman, W., and Company Bridge |
| Bonifels |
| Bonnet's Tavern |
| Boonecroft |
| Boone, Daniel, School |
| Booth Farm |
| Borneman Mill |
| Borough Hall of the Borough of Waynesboro |
| Boston Store |
| Boughner, Alexander V., House |
| Bower Homestead Farm |
| Bowman Homestead |
| Bowman, Jacob, Tobacco Warehouse |
| Bowman's Castle |
| Bowmanstown School |
| Bowmansville Roller Mill |
| Boyce Station |
| Boyer-Mertz Farm |
| Boyer, Riter, House |
| Boyertown Burial Casket Company |
| Boys' Club of Pittsburgh |
| Bradford County Courthouse |
| Bradford Old City Hall |
| Bradys Bend Iron Company Furnaces |
| Brandywine Building and Loan Assoc. Rowhouses |
| Brashear, John A., House and Factory |
| Breezedale |
| Bregy, F. Amadee, School |
| Breslyn Apartments |
| Breyer, Henry W., Sr., House |
| Bridesburg School |
| Bridge 182+42, Northern Central Railway |
| Bridge 5+92, Northern Central Railway |
| Bridge 634, Northern Central Railway |
| Bridge Mill Farm |
| Bridge Valley Bridge |
Data from United States Park Service and Wikidata
