All - Architectural style - Neoclassical architecture
| Beecher Mausoleum |
| Beeville Post Office |
| Beiger House |
| Belcaro |
| Bellmont Hotel |
| Belmont-Sheffield Trust and Savings Bank Building |
| Belo, Alfred Horatio, House |
| Belton Standpipe |
| Bemidji Carnegie Library |
| Benewah County Courthouse |
| Ben Hill County Courthouse |
| Bennett-Field House |
| Benson Block |
| Benson Building |
| Benson's New Block and the Mohawk Chambers |
| Bent County High School |
| Benton County Courthouse |
| Bepler, August, House |
| Berger-Graham House |
| Berridge Hotel |
| Berry, Frank A., and Elizabeth, House |
| Berry, George O., House |
| Bertie County Courthouse |
| Best Building |
| Beta Theta Pi Fraternity House |
| Beth Israel Synagogue |
| Beulah Lodge |
| Beverly Historic District |
| Biblioteca Carnegie |
| Bigelow School |
| Bigelow School |
| Bijou Theatre Building |
| Bingham, Clarence A., School |
| Biograph Theater Building |
| Birdwood |
| Bishop National Bank of Hawaii |
| Bissette-Cooley House |
| Blackburn House |
| Black Hawk County Soldiers Memorial Hall |
| Black River Plantation House |
| Blackstone Building |
| Blackstone-State Theater |
| Blair Apartments |
| Blakeley Building |
| Blalock, Dr. Nathan M., House |
| Blalock, Robert L., House |
| Bleckley County Courthouse |
| Bledsoe County Courthouse |
| Bloomfield Public Library |
| Blooming Grove |
| Blum House |
| Board of Education Building |
| Board of Extension of the Methodist Episcopal Church, South |
| Board of Trade Building |
| Boatman's Bank Building |
| Bogalusa City Hall |
| Bohemian Hall and Park |
| Bohemian Savings Bank |
| Boise High School Campus |
| Bolton High School |
| Bolton-Outlar House |
| Bond, Frank, House |
| Bonner Springs High School |
| Boone County Courthouse |
| Booth Hotel |
| Bossier High School |
| Boston Edison Power Station |
| Boston Police Station Number One-Traffic Tunnel Administration Building |
| Boston Transit Commission Building |
| Boston Young Men's Christian Association |
| Botherum |
| Bound Brook Station |
| Bourne Town Hall |
| Bouvier-Lothrop House |
| Bowditch School |
| Bowen, Julia B. and Fred P., House |
| Bowers, George W. and Hetty A., House |
| Bowman, W. G., House |
| Box Elder County Courthouse |
| Boydville Historic District |
| Bozeman Carnegie Library |
| Bradenton Carnegie Library |
| Bradford County Courthouse |
| Brady Building-Empire Theater |
| Brainerd Public Library |
| Brame House |
| Brandrup, J. R., House |
| Brannan, Sam, Cottage |
| Brantley, Dr. Hassell, House |
| Braxtan, Thomas Newby, House |
| Brazell, Crawford W., House |
| Breese, William, Jr., House |
| Breezemont |
| Brenizer Library |
| Brentwood |
| Breslin |
| Brick School |
| Bristol High School |
| Broadview Hotel |
| Broadway Trust Company |
Data from United States Park Service and Wikidata