(First) Harrison Gray Otis House (Suffolk County, Massachusetts)
303 Saluda Avenue (Richland County, South Carolina)
A. A. Bancroft House (Licking County, Ohio)
A. C. Jones House (Lexington County, South Carolina)
A. Fletcher Spigner House (Richland County, South Carolina)
A. G. Grant Homestead (Franklin County, Ohio)
A. H. Allyn House (Walworth County, Wisconsin)
A. H. Halff House (Bexar County, Texas)
A. M. McNair House (Darlington County, South Carolina)
A. T. Averill House (Linn County, Iowa)
A. W. Gridley House (Kane County, Illinois)
Frank Lloyd Wright designed house, now a private residence.
A. W. Patterson House (Muskogee County, Oklahoma)
A. W. Pratt House (Johnson County, Iowa)
A.B. Hunter Home (New Madrid County, Missouri)
Mansion built by A.B. Hunter, Sr.
A.B. Ming House (Yuma County, Arizona)
A.P. Williams Funeral Home (Richland County, South Carolina)
A.P. Woodson and Leigh Yawkey Woodson House (Marathon County, Wisconsin)
Prairie School of Design mansion built in 1914, now serving the Marathon County Historical Society
Aaron Copland House (Westchester County, New York)
Aaron Kinney House (Scioto County, Ohio)
Aaron Neely Sr., Mansion (King County, Washington)
Abbot Row (Milwaukee County, Wisconsin)
Row houses converted to condominiums, not open to the public
Abbott-Page House (Erie County, Ohio)
Abel and Mary Nicholson House (Salem County, New Jersey)
Abel Colley Tavern (Fayette County, Pennsylvania)
Abell-Kilbourn House (Berkeley County, West Virginia)
Abraham Byrd House (Cape Girardeau County, Missouri)
Abraham Curry House (Carson City, Nevada)
Abraham Groesbeck House (Cook County, Illinois)
Abraham H. Esbenshade House (Milwaukee County, Wisconsin)
Two story, red brick late Queen Anne house with Renaissance Revival features
Abraham Lehman Farmhouse (Franklin County, Ohio)
Abraham Russell Ponder House (Cape Girardeau County, Missouri)
Abram Ackerman House (Bergen County, New Jersey)
Abram Hatch House (Wasatch County, Utah)
Acadian House (New Haven County, Connecticut)
Achmester (New Castle County, Delaware)
Acoma (Valencia County, New Mexico)
Adah Robinson House (Tulsa County, Oklahoma)
Adam Ivy House (Lancaster County, South Carolina)
Adam Stephen House (Berkeley County, West Virginia)
Adolph J. Zang House (Denver County, Colorado)
Adolphus Sterne House (Nacogdoches County, Texas)
Agler-La Follette House (Franklin County, Ohio)
Ahira R. Hinkley House (Waukesha County, Wisconsin)
Ainsley Hall House (Richland County, South Carolina)
Ainsworth E. Blunt House (Whitfield County, Georgia)
Airlie (Adams County, Mississippi)
Alanson Pomeroy House (Cuyahoga County, Ohio)
Albert and Edith Adelman House (Milwaukee County, Wisconsin)
Frank Lloyd Wright Prairie Home in Fox Point
Albert E. and Emily Wilson House (Westchester County, New York)
Albert F. Madlener House (Cook County, Illinois)
Albert Kahn House (Wayne County, Michigan)
Albert R. Beardsley House (Elkhart County, Indiana)
Albin Polasek House and Studio (Orange County, Florida)
Albion (Fairfield County, South Carolina)
19th Century plantation home near Winnsboro, SC
Albon Chase House (Clarke County, Georgia)
Albrecht C. Ringling House (Sauk County, Wisconsin)
Albright-Dukes House (Laurens County, South Carolina)
Alden, Ebenezer, House (Knox County, Maine)
Alexander Brown House (Onondaga County, New York)
Alexander Campbell Mansion (Brooke County, West Virginia)
Alexander Clark House (Muscatine County, Iowa)
Alexander H. McMicken House (Milwaukee County, Wisconsin)
One of the best preserved Craftsman style homes in West Allis.
Alexander House (Spartanburg County, South Carolina)
Historic home in Spartanburg, SC
Alexander Majors House (Jackson County, Missouri)
Alexander Ramsey House (Ramsey County, Minnesota)
Alexander W. Livingston House (Franklin County, Ohio)
Alexander-Cannon-Hill House (Oconee County, South Carolina)
Alfred Butters House (Denver County, Colorado)
Alfred C. Clas House (Milwaukee County, Wisconsin)
Alfred Clas' retirement home, built with style and whimsey
Alfred Dunk House (Broome County, New York)
Alfred Hanson House (Fayette County, Iowa)
Alfred Lester Slocum House (Milwaukee County, Wisconsin)
Tudor Revival House
Alfred M. Glossbrenner Mansion (Marion County, Indiana)
Alfred W. Morrison House (Howard County, Missouri)
Aline Barnsdall Complex (Los Angeles County, California)
Alkire House (Franklin County, Ohio)
Allen Dial House (Laurens County, South Carolina)
Allen House (Dubuque County, Iowa)
Alley-Carlson House (Marion County, Texas)
Allison Mansion (Marion County, Indiana)
Allison Plantation (York County, South Carolina)
Alston House (Richland County, South Carolina)
Alvey Cox House (Hart County, Kentucky)
Alvin Miller House (Floyd County, Iowa)
A Frank Lloyd Wright designed Usonian home constructed in 1946. It is located on the west bank of the Cedar River, severely damaged and nearly destroyed in the floods of 2008.
Alvin T. Smith House (Washington County, Oregon)
Ammadelle (Lafayette County, Mississippi)
Amos Cook House (Yamhill County, Oregon)
Amstel House (New Castle County, Delaware)
Anchorage, The (Beaufort County, South Carolina)
Andalusia (Bucks County, Pennsylvania)
Anderson Country Club (Anderson County, South Carolina)
Historic antebellum plantation home, now utilized as a golf course
Anderson House (York County, South Carolina)
Anderson, Major Edward, House (Cumberland County, Maine)
Anderson--Thompson House (Marion County, Indiana)
Andrew Carpenter House (Gaston County, North Carolina)
Andrew Ellicott House (Lancaster County, Pennsylvania)
Andrew Frame House (Waukesha County, Wisconsin)
Andrew J. Landrum House (Santa Clara County, California)
Andrew James Wardlaw House (Warren County, Kentucky)
Andrew John Volstead House (Yellow Medicine County, Minnesota)
Andrew Thomas House (Carroll County, Indiana)
Andrew Welch Homestead (York County, Maine)
Andrew-Ryan House (Dubuque County, Iowa)
Andrews, Lt. Robert, House (Cumberland County, Maine)
Angelo Marre House (Pulaski County, Arkansas)
Annandale Plantation (Georgetown County, South Carolina)
Annesdale (Shelby County, Tennessee)
Ansel T. Walling House (Pickaway County, Ohio)
Anthony and Caroline Isermann House (Kenosha County, Wisconsin)
Antietam National Battlefield (Washington County, Maryland)
Anza House (San Benito County, California)
Appin (Marlboro County, South Carolina)
Arcadia Plantation (Georgetown County, South Carolina)
Archambault House (St. Louis County, Missouri)
Archibald M. Kennedy House (Rush County, Indiana)
Archibald McAllister House (Dauphin County, Pennsylvania)
Arendt--Seymour House (Franklin County, Ohio)
Arlington (Adams County, Mississippi)
Arlington House, The Robert E. Lee Memorial (Arlington County, Virginia)
Armistead Burt House (Abbeville County, South Carolina)
Armour-Stiner House (Westchester County, New York)
Armsmear (Hartford County, Connecticut)
Arnoldus Vander Horst House (Charleston County, South Carolina)
Art Association of Harrisburg (Dauphin County, Pennsylvania)
Arthur Barnwell House (Greenville County, South Carolina)
Historic home on the NRHP that was located in Pelham, SC, but has now been moved to another location
Arthur Goodson House (Darlington County, South Carolina)
Arthur Hillyer Ford House (Johnson County, Iowa)
Arthur M. Burroughs House (Horry County, South Carolina)
Arthur M. Parker House (Wayne County, Michigan)
Arts Club of Washington (Washington, District of Columbia)
Ash Lawn-Highland (Albemarle County, Virginia)
Asher Brand Residence (Franklin County, Ohio)
Ashland (Ascension Parish, Louisiana)
Ashley-Willis House (Barnwell County, South Carolina)
Historic home in Williston, SC
Ashtabula (Anderson County, South Carolina)
Historic plantation home near Pendleton, SC
Aspen Hall (Berkeley County, West Virginia)
Aspendale (Kent County, Delaware)
Atalaya (Georgetown County, South Carolina)
Atchison A. Ashby House (Woodbury County, Iowa)
Athol (Chowan County, North Carolina)
Atlantic House (Cumberland County, Maine)
Aubrey Burnett House (Warren County, Kentucky)
Auburn (Adams County, Mississippi)
August and Amalia Shivelbine House (Cape Girardeau County, Missouri)
August Fuermann Jr., and Eliza, House (Jefferson County, Wisconsin)
August H. Bergman House (Jasper County, Iowa)
Mission style mansion built in 1909
August Sommer House (Marion County, Indiana)
Augustus and Laura Blaisdell House (Windsor County, Vermont)
Aurora Buttles House (Franklin County, Ohio)
Ausenbaugh-McElhenny House (Montgomery County, Ohio)
Austin-Whittemore House (Clay County, South Dakota)
Avero House (St. Johns County, Florida)
Avery Coonley House (Cook County, Illinois)
Avery House (Larimer County, Colorado)
Avery-Hunter House (Licking County, Ohio)
Ayr Mount (Orange County, North Carolina)
B. C. Wall House (Aiken County, South Carolina)
B. H. Campbell House (Sedgwick County, Kansas)
B. W. McLean House and Office (Tulsa County, Oklahoma)
Babcock--Smith House (Washington County, Rhode Island)
Badin-Roque House (Natchitoches Parish, Louisiana)
Bagley--Bliss House (Androscoggin County, Maine)
Bailey House (Denver County, Colorado)
Bailey, Moses, House (Kennebec County, Maine)
Baker House (Pulaski County, Arkansas)
Baker Mansion (Blair County, Pennsylvania)
Bald Eagle Ranch House (Stanislaus County, California)
Balfour House (Warren County, Mississippi)
Ballentine-Shealy House (Lexington County, South Carolina)
Balwearie (Fairfield County, South Carolina)
Early 19th century home near Winnsboro, SC
Bangs, Algernon, House (Kennebec County, Maine)
Banksia Hall (Barnwell County, South Carolina)
Historic Civil War era home in Barnwell, SC
Banning House (Los Angeles County, California)
Baptiste G. Aubuchon House (St. Louis County, Missouri)
Barber House (Richland County, South Carolina)
Barnes--Laird House (Bexar County, Texas)
Barnhardt--Bolenbaugh House (Franklin County, Ohio)
Barnwell House (Charleston County, South Carolina)
Barnwell-Gough House (Beaufort County, South Carolina)
Barratt House (Greenwood County, South Carolina)
Barrio Libre (Pima County, Arizona)
Barton Lodge (Bath County, Virginia)
Bass-Perry House (Russell County, Alabama)
Bastrop State Park (Bastrop County, Texas)
Bates-Hendricks House (Marion County, Indiana)
Batsto Village (Burlington County, New Jersey)
Battle-Friedman House (Tuscaloosa County, Alabama)
An antebellum town home located in Tuscaloosa, Alabama.
Baumann House (Campbell County, Kentucky)
Baxter House (Cumberland County, Maine)
Baxter Summer Home (Cumberland County, Maine)
Baxter, Percival P., House (Cumberland County, Maine)
Bayfield Fish Hatchery (Bayfield County, Wisconsin)
A Queen Anne style house that served as a fish hatchery for many years, now serving as a visitor center
Beallmore (Brooke County, West Virginia)
Beaty-Little House (Horry County, South Carolina)
Historic home in Conway, SC
Beaty-Spivey House (Horry County, South Carolina)
Beauvoir (Harrison County, Mississippi)
Beebe House (Grant County, Wisconsin)
Brick residence from the 19th Century