Abraham Curry House (Carson City, Nevada)
Abram Ackerman House (Bergen County, New Jersey)
Abram Hatch House (Wasatch County, Utah)
Academy Building (Bristol County, Massachusetts)
Academy of Music (Philadelphia County, Pennsylvania)
Academy of the Sacred Heart (Wayne County, Michigan)
Adams County Courthouse (Adams County, Colorado)
Adams County Courthouse (Adams County, Indiana)
Alabama Great Southern Railroad Passenger Depot (De Kalb County, Alabama)
Alanson Pomeroy House (Cuyahoga County, Ohio)
Albrecht C. Ringling House (Sauk County, Wisconsin)
Alexander Brown House (Onondaga County, New York)
Alexander W. Livingston House (Franklin County, Ohio)
Allegheny Baptist Church (Venango County, Pennsylvania)
Amana Villages (Iowa County, Iowa)
American Legion Hut (Cherokee County, Oklahoma)
Amos H. Root Building (Denver County, Colorado)
Anaconda Commercial Historic District (Deer Lodge County, Montana)
Ansel T. Walling House (Pickaway County, Ohio)
Aquia Church (Stafford County, Virginia)
Arlington Street Church (Suffolk County, Massachusetts)
Asher Brand Residence (Franklin County, Ohio)