Missouri - Significance region: Local
| 138th Infantry Missouri National Guard Armory |
| 1524 Grand Avenue Building |
| 18th and Vine Historic District |
| 1901 McGee Street Automotive Service Building |
| 1907 Dorris Motor Car Company Building |
| #1 Fairway |
| 5882 Cabanne Courtyard Apartment Building |
| ABC Auto Sales and Investment Company Building |
| A.B.C. Storage and Van Company Building |
| ABC Storage & Van Company Warehouse B |
| Abou Ben Adhem Shrine Mosque |
| Acme Brass and Machine Works Building |
| ACME Cleansing Company Building |
| Adair County Courthouse |
| Adams, Charles Francis Jr., Building |
| Adams, John A., Farmstead Historic District |
| Administration Building |
| Advertising Building |
| Affton High School |
| African Church |
| Agee Apartments Historic District |
| Aines Farm Dairy Building |
| Aker Cemetery |
| Akers Ferry Archeological District |
| Albany Carnegie Public Library |
| Alligator Oil Clothing Company Building |
| Alswel |
| Alton Club |
| Ambassador Apartments |
| Ambassador Hotel Historic District |
| AME Church of New Haven |
| American Brake Company Building |
| American Furnace Company |
| American Zinc, Lead and Smelting Company Building |
| Anderson, Charles Isaac and Lizzie Hunter Moore, House |
| Anderson Electric Car Company Building |
| Anderson, Elijah Teague, House |
| Andrew County Courthouse |
| Andrews-Wing House |
| Anheuser-Busch Brewing Association Building |
| Antioch Baptist Church |
| Antioch Christian Church |
| Apartments at 5561-71 Chamberlain |
| A & P Food Stores Building |
| Appleton City Downtown Commercial District |
| Arcade Building |
| Archbishop O’Hara High School |
| Argyle Building |
| Arlington School |
| Armour Boulevard Post-World War II Apartment Building Historic District |
| Armour Theatre Building |
| Arrow Rock Tavern |
| Arthur-Leonard Historic District |
| Assumption of the Blessed Virgin Mary Parish Historic District |
| Atchison County Memorial Building |
| Atkins-Johnson Farmhouse Property |
| Attucks School |
| Atwood, John C. and Georgie, House |
| Aubert Place |
| Audrain County Courthouse |
| Augusta Harmonie Verein |
| Aurora Apartments |
| Autocar Sales and Service Building |
| Auto Coach Building |
| Ava Ranger Station Historic District |
| B-9 Structure Archeological Site |
| Bacon, Charles, House |
| Baden School |
| Bailey Family Farm Historic District |
| Bailey School |
| Bainbridge Ferry |
| Bainridge Ferry Rd. |
| Baity Hall |
| Baker, Sylvester Marion and Frances Anne Stephens, House |
| Baker-Vawter Building |
| Ballenger Building |
| Ball-Essen Farmstead Historic District |
| Balmer & Weber Music House Co. Building |
| Bancroft School |
| Bank of Avilla |
| Bank of St. Ann |
| Banneker, Benjamin, School |
| Banneker School |
| Barclay Building |
| Barkley, Levi, House |
| Barnard, Capt. George and Attella, House |
| Barr Branch Library Historic District |
| Barrett, Randolph Columbus, House |
| Bartelmann, Henry, House |
| Bartsch-Jasper House |
| Bassett, Dr. Samuel A., Office and Residence |
| Bates County Courthouse |
| Bates-Geers House |
| Bayles Addition Historic District |
| Bayley, Romanzo N., House |
| Bear Creek Baptist Church |
| Beaumont Medical Building |
| Beaumont Telephone Exchange Building |
| Beckett, William S. and Mary, House |
| Beckley-Ralston Company |
Data from United States Park Service and Wikidata
