All - Constructed - 1930–1939
| 1938 Clinton High School |
| 3 V Tourist Court |
| Ackerhurst-Eipperhurst Dairy Barn |
| Adams, James P. and Sarah, House |
| Adamson House |
| Ada Public Library |
| Adler Planetarium |
| Administration Building |
| Administration Building |
| Administration Building, Old |
| Administration Building, Treasure Island |
| Affton High School |
| Aguayo Aldea Vocational High School |
| Agudath Sholem Synagogue |
| Aiken Mile Track |
| Airplane Service Station |
| Airway Radio Station |
| AJX Bridge over South Fork and Powder River |
| Akron Y.M.C.A. Building |
| Alamogordo Woman's Club |
| Alamosa County Courthouse |
| Albuquerque Municipal Airport Building, Old |
| Albuquerque Veterans Administration Medical Center |
| Alco School |
| Alden Bridge |
| Aldridge Hotel |
| Alexander State Forest Headquarters Building |
| Alger Theater |
| Algona Junior and Senior High School Building and High School Building Annex |
| Alkabo School |
| Alleghany County Courthouse |
| Allegheny River Lock and Dam No. 3 |
| Allegheny River Lock and Dam No.8 |
| Allegheny River Lock and Dam No. 9 |
| Allen, Dr. Arthur W., Home |
| Allen Temple A.M.E. Church |
| Allied Arts Building |
| Allison Dormitory |
| Alpena County Courthouse |
| Alpine City Hall |
| Alpine Elementary School |
| Altoona Armory |
| Ambassador Theater |
| American Fork Cemetery Rock Wall |
| American Institute of Pharmacy Building |
| Americanization School |
| American Legion Building |
| American Legion Forest CCC Shelter |
| American Legion Hall |
| American Legion Hut-Des Arc |
| American Legion Memorial Bridge |
| American Legion Memorial Building |
| American Legion Post No. 121 |
| American Legion Post No. 127 Building |
| American Legion Post No. 131 |
| Amistad Gymnasium |
| Amon B. King's Men Monument |
| Ancient and Accepted Scottish Rite Temple |
| Angelus Funeral Home |
| Ankeny Building |
| Anshei Israel Synagogue |
| Anthony Theater |
| Antlers Guard Station |
| Anvil Lake Campground Shelter |
| Apgar Fire Lookout |
| Aptucxet Trading Post Museum Historic District |
| Ariston Cafe |
| Arizona Inn |
| Arkadelphia Boy Scout Hut |
| Arkansas 7/51 Bridge |
| Arkoma School |
| Arlington Forest Historic District |
| Arlington Memorial Bridge |
| Armstrong, Robert and Esther, House |
| Arrow Rock State Historic Site Bridge |
| Arrow Rock State Historic Site Grave Shelter |
| Arrow Rock State Historic Site Lookout Shelter |
| Arrow Rock State Historic Site Open Shelter |
| Arsenal Junior High School |
| Ascutney State Park |
| Ashantilly |
| Ash Creek School |
| Ashland Grade School |
| Ash Mountain Entrance Sign |
| Assington |
| Atascosa Lookout House |
| Atkins High School (former) |
| Atlas Theater and Shops |
| Atoka Armory |
| AT & T Building |
| Attucks Community Center |
| Auburn City Hall and Fire House |
| Auburn Cord Duesenberg Automobile Facility |
| Audubon, John James, State Park |
| Augusta National Golf Club/Fruitlands |
| Augusta Theater |
| August, Wendell, Forge |
| Aurora Avenue Bridge |
| Austin Central Fire Station #1 |
| Austin US Courthouse |
Data from United States Park Service and Wikidata
