All - Architectural style - Greek Revival architecture
| 16 Altamont Terrace |
| 1841 Goshen Courthouse |
| Abbot, Asa and Sylvester, House |
| Abbot House |
| Abbott, Ezra, House |
| Abbott-Page House |
| Abbott, William Riley, House |
| Abel, Elias, House |
| Abell-Gleason House |
| Abernathy Farm |
| Abingdon Bank |
| Abington Congregational Church |
| Abrahams Farmhouse |
| Abrams Plains |
| Accomac Historic District |
| Acker and Evans Law Office |
| Ackerville Baptist Church of Christ |
| Acoa |
| Acona Church, Cemetery, and School |
| Adaland |
| Adams, Charles-Woodbury Locke House |
| Adams County Jail |
| Adams-Crocker-Fish House |
| Adams, Dr. Daniel, House |
| Adams-Edwards House |
| Adams Farm |
| Adams-French House |
| Adams, George W., House |
| Adams Grove Presbyterian Church |
| Adams, John, School |
| Adams, Joseph T., House |
| Adams Street Double House |
| Admiral's House |
| Adsmore |
| Agnew, Thomas I., House |
| Aiken, Gov. William, House |
| Aiken, John J., House |
| Ailes House |
| Ailes, William, House |
| Ainsworth, Capt. John C., House |
| Airlie |
| Airmount Grave Shelter |
| Airville |
| Akins, Lyman P., House |
| Alabama State Capitol |
| Albania |
| Albania Plantation House |
| Albany Avenue Historic District |
| Alderson Historic District |
| Aldrich, Benjamin, Homestead |
| Aldrich, Nathan C., House and Resthaven Chapel |
| Aldrich, Royal, House |
| Alexander, Arad, House |
| Alexander, Dr. William S., House |
| Alice C Planation House |
| Allamakee County Courthouse |
| Allegheny Baptist Church |
| Allemong, Christian, House |
| Allen, Abram, House |
| Allen-Bell House |
| Allen, Carter, House |
| Allen, Darlon, House |
| Allen, Ethan, House and Gun Shop |
| Allenhurst |
| Allen, Judge J. W. F., House |
| Allen, Nathaniel Topliff, Homestead |
| Allen-Sommer-Gage House |
| Alley-Carlson House |
| Allison Plantation |
| Almshouse |
| Almshouse |
| Almshouse Farm at Machipongo |
| Alpine LDS Church Meetinghouse |
| Alston-Cobb House |
| Alston House |
| Alston, Robert A., House |
| Altaville Grammar School |
| Alumni Hall |
| Alverson-Copeland House |
| American Fork Historic District |
| American Hotel |
| American River Grange Hall No. 172 |
| Ames, Charles Rice, House |
| Ames-Florida House |
| Ames Manufacturing Company |
| Amis-Bragg House |
| Amis, Jonathan, House |
| Amiss-Palmer House |
| Anchorage, The |
| Anchuca |
| Anderson-Doosing Farm |
| Anderson-Foster House |
| Anderson Historic District |
| Anderson House |
| Anderson House and Store |
| Anderson, Levi, House |
| Anderson, Martin, House |
| Anderson, Niels Ole, House |
| Anderson, William, House |
| Andres, Charles, House |
Data from United States Park Service and Wikidata
