All - Constructed - 1920–1929
| Benton County Courthouse |
| Benton Hotel |
| Bentonville Train Station |
| Benworth-Chapman Apartments and Chapman Cottages |
| Berger Building |
| Berkeley Day Nursery |
| Bernd, William J., House |
| Berriochoa, Ignacio, Farm |
| Berry, Dr. William E. and Ethel Rosenberger, House |
| Berry, Richard Jr., House |
| Berwick Armory |
| Besse Hotel |
| Besser, Herman and Hattie (Ely), House |
| Beta Theta Pi Fraternity House |
| Beta Theta Pi Fraternity House, The University of Oklahoma |
| Bethany Congregational Church |
| Bethany Deaconess Hospital |
| Bethany Lutheran Church |
| Beth David Synagogue |
| Beth El Jewish Center of Flatbush |
| Beth El Synagogue |
| Beth-El Zedeck Temple |
| Beth Hamedrash Hagodol Synagogue |
| Beth Israel Synagogue |
| Bethlehem Baptist Church |
| Beulah School |
| Beverly Shores South Shore Railroad Station |
| Beverly Wilshire Hotel |
| Bewabic Park |
| Big Chief Restaurant |
| Bigelow School |
| Billingsville School |
| Biltmore Hardware Building |
| Biltmore Theater |
| Bird, C. B., House |
| Birney Safety Streetcar No. 224 |
| Black, Arthur F., House |
| Black Gap Bridge |
| Black Mountain Lookout Cabin |
| Black River Bridge |
| Blackstone Boulevard Realty Plat Historic District |
| Bladen County Training School |
| Blair, William McCormick, Estate |
| Blanco Bridge |
| Blandford |
| Bluebonnet Tourist Camp |
| Boca Raton Old City Hall |
| Boeing/United Airlines Terminal Building, Hangar and Fountain |
| Boggs Avenue Elementary School |
| Bohn, Louis J. and Lee, Gertrude, House |
| Bolling, Anna P., Junior High School |
| Bon Marche Department Store |
| Bonner Springs High School |
| Bonneville Hotel |
| Bookman, J. A., General Store |
| Boothbay Harbor Memorial Library |
| Bossier City Municipal Building |
| Bossier High School |
| Bostwick School |
| Botten Cabin |
| Boulder-on-the-Park |
| Boussuet, Birdie, Farm |
| Bowden Hall |
| Bowles, Jesse C., House |
| Bowman Field Historic District |
| Boyce-Gregg House |
| Boyden High School |
| Boyle Park |
| Boys' Club Building |
| Brackett House |
| Bradenton Woman's Club |
| Braman Camp |
| Bramble Hill |
| Breakers Hotel Complex |
| Brewer High School |
| Brices Cross Roads National Battlefield Site |
| Brick House Beautiful |
| Bridge 4 |
| Bridge No. L6113 |
| Bridge No. L8515 |
| Brighton Evangelical Congregational Church |
| Bristol High School |
| Bristow Firestone Service Station |
| Bristow Motor Company Building |
| Bristow Tire Shop |
| Broadway Trust Company |
| Bronxville Womens' Club |
| Brook Theater, The |
| Brookwood Hills Historic District |
| Brown Hall |
| Brown Hotel and Cafe |
| Brown Hotel Building and Theater |
| Brown, Jim, Tavern |
| Bruce Mine Headframe |
| Brumfield High School |
| Bruner, Mayall, House |
| Brush Creek Bridge |
| Bryce Canyon Lodge and Deluxe Cabins |
| Bryce Canyon Lodge Historic District (Boundary Increase) |
| Bryn Avon |
Data from United States Park Service and Wikidata
