Private owner

Algernon S. Paddock House (Gage County, Nebraska)
Algoma Boulevard Methodist Church (Winnebago County, Wisconsin)
Romanesque church designed by noted Wisconsin architect, William Waters
Algoma Coal and Coke Company Store (McDowell County, West Virginia)
Algonquin Apartments (Miami-Dade County, Florida)
Algonquin Printing Co. (Bristol County, Massachusetts)
Algood Methodist Church (Putnam County, Tennessee)
Alhambra Apartments (Woodbury County, Iowa)
Alhambra Hotel (Maricopa County, Arizona)
Alhambra Theatorium (Vanderburgh County, Indiana)
Alibi Club (Washington, District of Columbia)
Alice (Iberia Parish, Louisiana)
Alice Beck Cabin (Flathead County, Montana)
Alice Brown House (Seminole County, Oklahoma)
Alice C Planation House (St. Mary Parish, Louisiana)
Alice Druhot House (Multnomah County, Oregon)
Alice French House (Scott County, Iowa)
Alice Ghormley Curtis House (Potter County, Texas)
Alice H. Robbins House (Travis County, Texas)
Alice Henderson Strong House (Multnomah County, Oregon)
Alice Lord Goodine House (Caledonia County, Vermont)
Alice Paul Birthplace (Burlington County, New Jersey)
Aliceton Camp Meeting Ground (Boyle County, Kentucky)
Aline IOOF Lodge No. 263 (Alfalfa County, Oklahoma)
Alkali Flat North Historic District (Sacramento County, California)
Alkali Flat West Historic District (Sacramento County, California)
Alkemeyer Commercial Buildings (Hamilton County, Ohio)
Alkire House (Franklin County, Ohio)
All American Bank Building (St. Joseph County, Indiana)
All Faith Church (St. Mary's County, Maryland)
All Hallows Episcopal Church (Worcester County, Maryland)
All Hallows' Church (Anne Arundel County, Maryland)
All Saint's Church (Pinal County, Arizona)
All Saint's Episcopal Church (Volusia County, Florida)
All Saints Catholic Church (Guthrie County, Iowa)
All Saints Church (Spencer County, Kentucky)
All Saints Church at Monie (Somerset County, Maryland)
All Saints Church of Eben Ezer (Morgan County, Colorado)
All Saints Church--Episcopal (Rice County, Minnesota)
All Saints Episcopal Church (Westchester County, New York)
All Saints Episcopal Church (Denver County, Colorado)
All Saints Episcopal Church (Scioto County, Ohio)
All Saints Episcopal Church (Calcasieu Parish, Louisiana)
All Saints Episcopal Church (Orange County, Florida)
All Saints Memorial Church (Providence County, Rhode Island)
All Saints Roman Catholic Church (Harris County, Texas)
All Saints School Main Building (Minnehaha County, South Dakota)
All Saints' Chapel (Ulster County, New York)
All Saints' Church (Calvert County, Maryland)
All Saints' Church (Hillsborough County, New Hampshire)
All Saints' Church (Suffolk County, Massachusetts)
All Saints' Church (Talbot County, Maryland)
All Saints' Episcopal Cathedral Complex (Milwaukee County, Wisconsin)
Edward Townsend Mix designed complex of cathedral and diocese buildings
All Saints' Episcopal Church (Allegan County, Michigan)
All Saints' Episcopal Church (Sussex County, Delaware)
All Saints' Episcopal Church (Barnes County, North Dakota)
All Saints' Episcopal Church, Waccamaw (Georgetown County, South Carolina)
All Saints' Memorial Church Complex (Monmouth County, New Jersey)
All Soul's Chapel (Androscoggin County, Maine)
All Souls Church (Pulaski County, Arkansas)
All Souls Church (Kennebec County, Maine)
All Souls Church (Greene County, New York)
All Souls Congregational Church (Penobscot County, Maine)
All Souls Episcopal Church and Parish House (Buncombe County, North Carolina)
All Souls Universalist Church (Riverside County, California)
All Star Bowling Lane (Orangeburg County, South Carolina)
Allamuchy Freight House (Warren County, New Jersey)
Allan Herschell Carousel Factory (Niagara County, New York)
Allan Miller House (Cook County, Illinois)
Allan Teator Road Stone Arch Bridge (Greene County, New York)
Allardt Historic District (Fentress County, Tennessee)
Allardt Presbyterian Church (Fentress County, Tennessee)
Allbach House (Harris County, Texas)
Allcorn--Kokemoor Farmstead (Washington County, Texas)
Alldis, James, House (Litchfield County, Connecticut)
Alleghany Springs Springhouse (Montgomery County, Virginia)
Allegheny Baptist Church (Venango County, Pennsylvania)
Allegheny Cemetery (Allegheny County, Pennsylvania)
Allegheny Furnace (Blair County, Pennsylvania)
Allegheny Observatory (Allegheny County, Pennsylvania)
Allegheny Post Office (Allegheny County, Pennsylvania)
Allemarinda and James Wyer House (Hennepin County, Minnesota)
Allen Academy Memorial Hall (Brazos County, Texas)
Allen Beaumont J., House (Pueblo County, Colorado)
Allen Block (Brazos County, Texas)
Allen Chapel A.M.E. Church (Rutherford County, Tennessee)
Allen Chapel AME Church (Tarrant County, Texas)
Allen County Poor Farm (Allen County, Kentucky)
Allen Dale Farm (Shelby County, Kentucky)
Allen Dial House (Laurens County, South Carolina)
Allen Grove (Marengo County, Alabama)
A plantation and historic district located in Old Spring Hill, Alabama.
Allen Hotel (Berkshire County, Massachusetts)
Allen House (Monmouth County, New Jersey)
Allen House (Dubuque County, Iowa)
Allen House (Montgomery County, Tennessee)
Allen House (De Soto Parish, Louisiana)
Allen House (Baldwin County, Alabama)
Allen House Hotel (Thurston County, Washington)
Allen Memorial Medical Library (Cuyahoga County, Ohio)
Allen Mercantile Company (Decatur County, Georgia)
Allen Street Historic District (Providence County, Rhode Island)
Allen Tire Company and Gas Station (Nevada County, Arkansas)
Allen University Historic District (Richland County, South Carolina)
Allen Welton House (Summit County, Ohio)
Allen Worley and Foushee Houses (Fayette County, Kentucky)
Allen's Cider Mill (Hartford County, Connecticut)
Allen's Market (Sedgwick County, Kansas)
Allen's Opera House (Dawson County, Nebraska)
Allen, Abel, House (Middlesex County, Massachusetts)
Allen, Candace, House (Providence County, Rhode Island)
Allen, Charles, House (Worcester County, Massachusetts)
Allen, Elisha, House (Bristol County, Massachusetts)
Allen, Ethan, House and Gun Shop (Worcester County, Massachusetts)
Allen, James House (Fayette County, Kentucky)
Allen, Nathaniel Topliff, Homestead (Middlesex County, Massachusetts)
Allen, Stephen, House (Kent County, Rhode Island)
Allen, Zachariah, House (Providence County, Rhode Island)
Allen--Sommer--Gage House (Butte County, California)
Allen--White School (Hardeman County, Tennessee)
Allen-Alexander House (Bourbon County, Kentucky)
Allen-Barringer House (Ouachita Parish, Louisiana)
Allen-Bell House (Bastrop County, Texas)
Allen-Beville House (Queens County, New York)
Allen-Mangum House (Granville County, North Carolina)
Allendale Mill (Providence County, Rhode Island)
Allendale Plantation Historic District (West Baton Rouge Parish, Louisiana)
Allenhurst (Scott County, Kentucky)
Allenhurst Railroad Station (Monmouth County, New Jersey)
Allentown Masonic Temple (Lehigh County, Pennsylvania)
Allentown Mill (Monmouth County, New Jersey)
Allentown National Bank (Lehigh County, Pennsylvania)
Allentown Union Hall (Tazewell County, Illinois)
Allenville Mill (Providence County, Rhode Island)
Allenwood Farm (Washington County, Vermont)
Alley-Carlson House (Marion County, Texas)
Allgor-Barkalow Homestead (Monmouth County, New Jersey)
Alliance Clay Product Company (Mahoning County, Ohio)
Allie Corn House (Boone County, Kentucky)
Allie M. Best House (Hart County, Georgia)
Allied Arts Building (Lynchburg, Virginia)
Allin House (Phillips County, Arkansas)
Allis Barn (Fillmore County, Minnesota)
Allis-Bushnell House (New Haven County, Connecticut)
Allison Dormitory (Santa Fe County, New Mexico)
Allison Mansion (Marion County, Indiana)
Allison Plantation (York County, South Carolina)
Allison Woods (Iredell County, North Carolina)
Allison, Capt. Samuel, House (Cheshire County, New Hampshire)
Allison--Reinkeh House (Ravalli County, Montana)
Allison-Barrickman House (Jefferson County, Kentucky)
Allison-Robinson House (Owen County, Indiana)
Allmand-Archer House (Norfolk, Virginia)
Alloways Creek Friends Meetinghouse (Salem County, New Jersey)
Allsop--Jensen House (Salt Lake County, Utah)
Allstadt House and Ordinary (Jefferson County, West Virginia)
Allston Congregational Church (Suffolk County, Massachusetts)
Allton Building (Jerome County, Idaho)
Allyn House (Middlesex County, Massachusetts)
Allyn Wight House (Essex County, New Jersey)
Allyn, Capt. Benjamin, II, House (Hartford County, Connecticut)
Alma Compton House (Box Elder County, Utah)
Alma Crosby House (Beaver County, Utah)
Alma Depot (Bacon County, Georgia)
Alma Fruit Farm (Macon County, Georgia)
Alma Historic District (Buffalo County, Wisconsin)
A river town, long but not very wide
Alma Staker House (Sanpete County, Utah)
Alma Thomas House (Washington, District of Columbia)
Alma Ward Meeting House (Maricopa County, Arizona)
Almand-O'Kelley-Walker House (Rockdale County, Georgia)
Almer Store (Phillips County, Arkansas)
Almeron Durkee House (Cayuga County, New York)
Almira Hotel (Lincoln County, Washington)
Almira Lott Murdock House (Beaver County, Utah)
Almira Riley House (Lawrence County, South Dakota)
Almon A. Covey House (Salt Lake County, Utah)
Almon Asbury Lieuallen House (Latah County, Idaho)
Almon G. McCorkle House (Trumbull County, Ohio)
Almond A. White House (Morrison County, Minnesota)
Almot Schlenker House (Washington County, Texas)
Alms and Doepke Dry Goods Company (Hamilton County, Ohio)
Almshouse (Middlesex County, Massachusetts)
Almshouse Farm at Machipongo (Northampton County, Virginia)
Almsted Brothers Building (Jefferson County, Kentucky)
Alnwick Hall (Morris County, New Jersey)
Aloah Hotel (Henderson County, North Carolina)
Aloha Camp (Orange County, Vermont)
Aloha Hive Camp (Orange County, Vermont)
Alois and Annie Weber House (Lee County, Iowa)
Alois Herbert Double House (Buchanan County, Missouri)
Alonzo and Louise Barnett House (Spokane County, Washington)
Alonzo Drake House (Cuyahoga County, Ohio)
Alonzo Foringer House and Studio (Bergen County, New Jersey)
Alonzo Hamilton Packer House (Graham County, Arizona)
Alonzo T. Prentice House (Kalamazoo County, Michigan)