All - Constructed - 1900–1909
| Brainerd Public Library |
| Bramhall, Jennie, House |
| Brandon Mill |
| Brandrup, J. R., House |
| Branson Building |
| Brant Point Light Station |
| Breakwater, The |
| Brewster Hospital |
| Bricker-Price Block |
| Bridge at Thirteenth Street |
| Bridges No. L-5853 and 92247 |
| Brigham City Fire Station/City Hall |
| Brittingham Park Boathouse |
| Brockmueller Barn |
| Bross Hotel |
| Brougher Mansion |
| Brown, Alex, Building |
| Brown Chapel African Methodist Episcopal Church |
| Brown, Charles and Martha, House |
| Brown County Courthouse |
| Brown Grand Opera House |
| Brownhill and Kramer Hosiery Mill |
| Brown's Canyon Bridge |
| Brown Shoe Company's Homes-Take Factory |
| Brownstetter House |
| Buchanan School |
| Bucher Bridge |
| Buffalo and Erie County Historical Society |
| Buffalo Harbor South Entrance Light |
| Buffalo High School |
| Buffalo Milk Company Building |
| Buffalo North Breakwater South End Light |
| Buffalo Public School #24 (PS 24) |
| Buffalo Public School No. 44 (PS44) |
| Building at 108 Green Street |
| Building at 1214 Bridge |
| Building at 1519 3rd Avenue |
| Building at 202-204 Charles Street |
| Building at 312 Kittson Ave. |
| Building at 417-419 Lee Street |
| Building at 418-420 Notre Dame Ave. |
| Building at 500 White Avenue |
| Building at 6 and 7 Public Square |
| Building at 821 Broadway |
| Burlington Northern Depot |
| Burlington Station |
| Burnett County Abstract Company |
| Burnham-Marston House |
| Burns Union School |
| Burroughs, Arthur M., House |
| Burton Hall |
| Burton-Rosenmeier House |
| Burwell Building Tennessee Theater |
| Butler County Courthouse |
| Byerley House |
| Byhalia United Methodist Church |
| Byram Bridge |
| Cadieux School |
| Caldwell, Luther Henry, House |
| Caledonia No. 9 Grange Hall |
| Calumet Fire Station |
| Calumet Hotel |
| Calumet Park |
| Calumet Theatre |
| Calvert Hills Historic District |
| Camden Masonic Temple |
| Camp Beauregard Memorial in Water Valley |
| Campbell Post Office-Kuykendall General Store |
| Campbell's Covered Bridge |
| Campbell Union High School Historic District |
| Camp Olmsted |
| Cance, John, F., House |
| Candland, W.D., House |
| Candler Building |
| Cannady-Brogden Farm |
| Canton Main Street Historic District |
| Cape Fear Lighthouse Complex |
| Cappelli, A. F., Block |
| Carey's Ford Bridge |
| Carlton, Albert, Estate |
| Carnall, Ella, Hall |
| Carnegie, Andrew, Library |
| Carnegie Library |
| Carnegie Library |
| Carnegie Library |
| Carnegie Library |
| Carnegie Public Library |
| Carnegie Public Library |
| Carnegie Public Library |
| Carpenter Building |
| Carpenter, Elbert L., House |
| Carpenter United Methodist Church |
| Carr, Andrew, Sr., House |
| Carr, Anna, Homestead |
| Carr, Jefferson Davis, House |
| Cary Library |
| Casa Franceschi Antongiorgi |
| Caspiana Plantation Store |
| Castle Dale School |
| Caswell County Training School |
Data from United States Park Service and Wikidata
