All - Constructed - 1910–1919
| 103rd Ohio Volunteer Infantry Association Barracks |
| 10th Street Market |
| 1916 Buffalo High School |
| 32nd St. and Lancaster Ave. Philadelphia Armory |
| Abell house |
| Aberdeen City Hall |
| Abraham Lincoln Birthplace National Historic Site |
| Absaroka Mountain Lodge |
| Acacia Lodge |
| Achning, Ralph and Cloyd, House |
| Acme Building |
| Acre Family Barn |
| Adair, William and Estella, Farm |
| Adams Apartment Building |
| Adams County Courthouse |
| Adams County Courthouse |
| Administration Building |
| Administration Building, Carnegie Institute of Washington |
| Administration Building, University of Central Arkansas |
| A. E. C. Cottage No. 23 |
| Aegerter, David and Maggie, Barn |
| Age-Herald Building |
| Agricultural Chemistry Building |
| Agriculture and Manual Arts Building/Platteville State Normal School |
| Agudas Achim Anshei Sfard Synagogue |
| Aigler Alumni Building |
| Aiken's Hotel |
| Ainsworth House |
| Airtight Bridge |
| Aitken Barn |
| Akin, Mrs. Henry F., House |
| Alabama Penny Savings Bank |
| Alameda Apartments |
| Alaska Engineering Commission Cottage No. 25 |
| Alaska Governor's Mansion |
| Alaska Native Brotherhood Hall |
| Alaskan Hotel |
| Albany Felt Company Complex |
| Albee, H. Russell, House |
| Alberta Teachers House |
| Alberton School |
| Albion Flats |
| Albion State Bank |
| Alcoa Edgewater Works |
| Alco Apartments |
| Alden Public Library |
| Alderson Bridge |
| Alewife Brook Parkway |
| Alexandria Hotel and Annex |
| Alhambra Theatorium |
| Allen Chapel African Methodist Episcopal Church |
| Allen, Henry J., House |
| Allen Hotel |
| Allen, John Quincy, House |
| Allen Parish Courthouse |
| Alling & Cory Buffalo Warehouse |
| Allison Ranger Station |
| All Saints Church of Eben Ezer |
| All Soul's Chapel |
| Aloha Farmhouse |
| Alpha Tau Omega Fraternity House (Old) |
| Alta Public Library |
| Alton Chapter House |
| Amboy United Brethren Church |
| American Bag Co.-Union Hide Co. |
| American Can Company of Utah Building Complex |
| American Chicle Company Building |
| American Federation of Labor Building |
| American Legion Post 199 |
| American National Red Cross |
| American Trona Corporation Building |
| Amity Lodge No. 335 Temple-Spiritual Israel Church and Its Army Temple |
| Amoretti, Welty, Helmer & Co Bank |
| Amory Ballroom |
| Anacapa Island Light Station |
| Anaconda Copper Mining Company Smoke Stack |
| Anasola, Jose and Gertrude, House |
| Anchorage Cemetery |
| Anderson, Alfred C. and Annie L. Olsen, House |
| Anderson Barn |
| Anderson-Price Memorial Library Building |
| Androscoggin Yacht Club |
| Anduiza Hotel |
| Annawan Chapter House |
| Anoka Post Office |
| Ansco Company Charles Street Factory Buildings |
| Anthony Public Carnegie Library |
| Antigo Post Office |
| Antiguo Casino Camuyano |
| Antiguo Casino de Puerto Rico |
| Antlers Frisco Depot and Antlers Spring |
| Apartment Building at 116 Spruce Street |
| Apex City Hall |
| Apex Union Depot |
| Apfel, George, Round Barn |
| Apollo Theater |
| Apollo Theatre |
| Apopka Seaboard Air Line Railway Depot |
| Appleton Log Hall |
| Applewood |
Data from United States Park Service and Wikidata
