Abbeville (Mississippi)
Aberdeen (Mississippi)
Acton (Minnesota)
Adams' Bluff (Arkansas)
Alexander's Bridge (Georgia)
Allatoona (Georgia)
Alleghany Mountains ()
Alligator Bayou (Arkansas)
Amelia Court House (Virginia)
Amelia Island (Florida)
Apache Pass (Arizona)
Apalachicola (Florida)
Apalachicola Arsenal (Florida)
Apalachicola River ()
Appomattox Court House (Virginia)
Arkansas Post (Arkansas)
Atlanta (Georgia)
Atlantic and Gulf Central Railroad (Florida)
Augusta (Georgia)
Austin (Mississippi)