Alabama - Criteria: C (architecture/engineering)
| Ackerville Baptist Church of Christ |
| Adams Grove Presbyterian Church |
| Aderholdt's Mill |
| Agee House |
| Age-Herald Building |
| Aimwell Baptist Church |
| Airmount Grave Shelter |
| Alabama Agricultural and Mechanical University Historic District |
| Alabama City Library |
| Alabama City Wall Street Historic District |
| Alabama Insane Hospital |
| Alabama Midland Railway Depot |
| Alabama Penny Savings Bank |
| Alabama State University Historic District |
| Alabama Theatre |
| Albany Heritage Neighborhood Historic District |
| Alexander City Commercial Historic District |
| Aliceville Elementary and High School |
| Allen Grove |
| Allen House |
| Alston-Cobb House |
| Altwood |
| American Legion Post 199 |
| Andalusia Commercial Historic District |
| Anderson Place Historic District |
| Anniston Cotton Manufacturing Company |
| Anniston Inn Kitchen |
| Anniston Transfer Company |
| Anthony, David Rinehart, House |
| Antique Store |
| Arlington |
| Arlington Park |
| Armistead, Peter F., Sr., House |
| Ashe Cottage |
| Ash, John, House |
| Ashland Place Historic District |
| Ashville Historic District |
| Askew, Wade, House |
| Athens Courthouse Square Commercial Historic District |
| Athens State College Historic District |
| Atlantic Coastline Railroad Passenger Depot |
| Attalla Downtown Historic District |
| Auburn Players Theater |
| Auburn University Historic District |
| Audubon Place Historic District |
| Austin, Hiram B., House |
| Automobile Alley Historic District |
| Automotive Historic District |
| Avalon |
| Avandale Mill Historic District |
| Avant House |
| Ave Maria Grotto |
| Averiett, Benjamin H., House |
| Averiett, William, House |
| Avondale Historic District |
| Avondale Park Historic District |
| Azalea Court Apartments |
| Bagley-Cater Building |
| Ball, Parks E., House |
| Bama Theatre-City Hall Building |
| Bankhead, James Greer, House |
| Bank of Andalusia |
| Bank of Anniston |
| Bank of Fairhope |
| Bank Street Historic District |
| Barr's Subdivision Historic District |
| Barton Academy |
| Barton Hall |
| Bass, Jonathan W., House |
| Bass-Perry House |
| Battersea |
| Battle-Friedman House |
| Battle House Royale |
| Battles Wharf Historic District |
| Beal-Gaillard House |
| Beavers, Dr. James Alvis, House |
| Beckers Block |
| Beckner House |
| Beck, William King, House |
| Bell Building |
| Belle Mina |
| Bell House |
| Bellingrath Gardens and Home |
| Belmont |
| Belview Heights Historic District |
| Bermuda Hill |
| Bethea, Tristram, House |
| Bethlehem Baptist Church |
| Bibb, James H., House |
| Birmingham, Railway, Light and Power Building |
| Birmingham-Southern College |
| Birmingham Wholesale Warehouse Loop West Historic District |
| Bishop Manor Estate |
| Blackburn House |
| Blackwell, W. S., House |
| Blessed Sacrament Academy |
| Blessed Sacrament Catholic Church |
| Bloxham, Carl L., Building |
| Blue Bird Hardware and Seed |
| Bluff Hall |
Data from United States Park Service and Wikidata
