All - Constructed - 1870–1879
| Beers, Samuel, House |
| Belfast National Bank |
| Belle Fleur |
| Belleville Avenue Congregational Church |
| Bell-Johnson House |
| Belmont Abbey Cathedral |
| Benedict College Historic District |
| Benedict-Miller House |
| Bennett, H. H., Studio |
| Bennett's Mill Covered Bridge |
| Benton County Courthouse |
| Berding, A., House |
| Bergere, Alfred M., House |
| Berlin Town Hall |
| Bethel Methodist Protestant Church |
| Beth Israel Cemetery |
| Biederstaedt Grocery |
| Big House |
| Big John Farm Limestone Bank Barn |
| Billingsley-Hills House |
| Bilz, Aloys, House |
| Birch, Annie, House |
| Birchmore, John W., House |
| Bird and Dinkelspiel Store |
| Blackburn House |
| Blackley, George, House |
| Blair, Sen. William, House |
| Blanchard, John C., House |
| Blockhouse on Signal Mountain |
| Block Island South East Light |
| Blodgett, William, House |
| Blood, Col. James, House |
| Bodie Historic District |
| Bodie Island Lifesaving/Coast Guard Station |
| Bohemian National Cemetery |
| Bohn, Joseph, House |
| Bonde Farmhouse |
| Bonner, William, House |
| Boorman, Benjamin, House |
| Booth, Evangeline, House |
| Borden Flats Light Station |
| Border City Mill No. 2 |
| Boscobel Grand Army of the Republic Hall |
| Boston and Maine Railroad Depot |
| Boston Young Men's Christian Union |
| Bouwerie Lane Theater |
| Bowers, Jonathan, House |
| Bradley Covered Bridge |
| Bradley House |
| Braley, Judge Arthur B., House |
| Brenau College District |
| Bridge #2305 |
| Bridge in Tinicum Township |
| Brinkhaus Saloon Livery Barn |
| Brittan, Nathanial, Party House |
| Brodhead-Bell-Morton Mansion |
| Brooks House |
| Brown Earth Presbyterian Church |
| Brown, Guy A., House |
| Bruce-Donaldson House |
| Bryan, Alden, House |
| Buck Creek School |
| Buffalo State Hospital |
| Buford House |
| Building at 10 Follen Street |
| Burkeville Covered Bridge |
| Burnt Coat Harbor Light Station |
| Burr House |
| Bush, Asahel, House |
| Buswell, Clara, House |
| Butler House |
| Byers Station Historic District |
| Bynum, Dr. Joseph M., House |
| Cabarrus County Courthouse |
| Cabin Creek Covered Bridge |
| Caldwell Block |
| Caldwell-Cobb-Love House |
| Caledonia Building |
| California Governor's Mansion |
| California Powder Works Bridge |
| California State Capitol |
| Calkins, Charles H., House |
| Calvary Presbyterian Church |
| Campbell Chapel AME Church |
| Camp Clarke Bridge Site |
| Camp Pine Knot |
| Cape Blanco Lighthouse |
| Capehart, Thomas, House |
| Cape Hatteras Light Station |
| Cape Neddick Light Station |
| Capitol Park Historic District |
| Cappon, Isaac, House |
| Carlisle Indian School |
| Carolina Methodist Church |
| Carson, Rachel, House |
| Carswell Grove Baptist Church and Cemetery |
| Carter, Nicholas, House |
| Cassidy Mill |
| Castetter, Abraham, House |
| Castleberry Boarding House |
Data from United States Park Service and Wikidata
