10 Cottages on Short Street (Santa Cruz County, Arizona)
10th and Cass Streets Neighborhood Historic District (La Crosse County, Wisconsin)
Eclectic collection of 31 homes in La Crosse
10th Street Market (Alameda County, California)
1644 Main Street (Richland County, South Carolina)
1800's Mexican Consulate (El Paso County, Texas)
1841 Goshen Courthouse (Orange County, New York)
1911 Kinney County Courthouse (Kinney County, Texas)
303 Saluda Avenue (Richland County, South Carolina)
66 Drive-In (Jasper County, Missouri)
66 Motel (Tulsa County, Oklahoma)
6th Avenue Hotel-Windsor Hotel (Maricopa County, Arizona)
A. A. Hurst House (Jackson County, Iowa)
A. Armstrong Farm (New Castle County, Delaware)
A. B. Baca House (Socorro County, New Mexico)
A. C. Steere Elementary School (Caddo Parish, Louisiana)
A. C. Trumbo House (Muskogee County, Oklahoma)
A. E. Taplin Apartment Building (Guilford County, North Carolina)
A. G. Wilson House (Collin County, Texas)
A. H. and Company Black Building (Coos County, Oregon)
A. H. Maegly House (Multnomah County, Oregon)
A. J. Andrus Duplex (Cerro Gordo County, Iowa)
A. J. Dean House (Flathead County, Montana)
A. J. Gibson House (Missoula County, Montana)
A. L. Kenyon House (Eau Claire County, Wisconsin)
A. P. Hill House (Habersham County, Georgia)
A. S. Cleveland House (Harris County, Texas)
A. S. Noon Building (Santa Cruz County, Arizona)
A. V. Quinn House (Uinta County, Wyoming)
A. W. Gridley House (Kane County, Illinois)
Frank Lloyd Wright designed house, now a private residence.
A.P. Tureaud Sr., House (Orleans Parish, Louisiana)
A.Z. Palmer House (Navajo County, Arizona)
Abbeville (Lancaster County, Pennsylvania)
Abbeville Commercial Historic District (Vermilion Parish, Louisiana)
Abenicio Salazar Historic District (Sandoval County, New Mexico)
Aberdeen City Hall (Monroe County, Mississippi)
Abingdon Historic District (Washington County, Virginia)
Abner Cloud House (New Castle County, Delaware)
Abner Davison House (Scott County, Iowa)
Abner T. Shaw House (Davidson County, Tennessee)
Abou Ben Adhem Shrine Mosque (Greene County, Missouri)
Abraham Kellar House (Oldham County, Kentucky)
Abraham Lincoln Elementary School (Los Angeles County, California)
Abraham Van Gelder House (Bergen County, New Jersey)
Abram Ackerman House (Bergen County, New Jersey)
Academy Hill Historic District (Westmoreland County, Pennsylvania)
Academy of Richmond County (Richmond County, Georgia)
Acadia Ranch (Pinal County, Arizona)
Ackerman House (Bergen County, New Jersey)
Ackerman House (Bergen County, New Jersey)
Ackerman House (Bergen County, New Jersey)
Ackerman-Dater House (Bergen County, New Jersey)
Acklin Store (Grant County, New Mexico)
Acoa (Habersham County, Georgia)
Acoma (Valencia County, New Mexico)
Acton Centre Historic District (Middlesex County, Massachusetts)
Adler House (Independence County, Arkansas)
Administration Building (Union County, Oregon)
Administration Building (Travis County, Texas)
Administration Building, Sherman Institute (Riverside County, California)
Administration Buildings (Palm Beach County, Florida)
Adobe Flores (Los Angeles County, California)
Adrian Pierson House (Pinal County, Arizona)
Advent Historic District (Calhoun County, Michigan)
Agnew Hunter Bahnson House (Forsyth County, North Carolina)
Agnews Insane Asylum (Santa Clara County, California)
Aiken Winter Colony Historic District I (Aiken County, South Carolina)
Ainsworth House (Sanders County, Montana)
Air Science (Dona Ana County, New Mexico)
Alabama Insane Hospital (Tuscaloosa County, Alabama)
Alabama's oldest and largest inpatient psychiatric facility.
Alabama State Capitol (Montgomery County, Alabama)
Aladdin Theater (Brevard County, Florida)
Alameda Veterans' Memorial Building (Alameda County, California)
Alameda-Depot Historic District (Dona Ana County, New Mexico)
Alamo Plaza Historic District (Bexar County, Texas)
Alamogordo Woman's Club (Otero County, New Mexico)
Alan W. Corson Homestead (Montgomery County, Pennsylvania)
Alango School (St. Louis County, Minnesota)
Alaska Governor's Mansion (Juneau Borough, Alaska)
Alaskan Hotel (Juneau Borough, Alaska)
Albert and Wilhelmina Thomas House (Cole County, Missouri)
Albert B. and Mary Cornell House (Josephine County, Oregon)
Albert Baird Cummins House (Polk County, Iowa)
Albert E. Thornton House (Fulton County, Georgia)
Albert G. Henry Jr. House (Marshall County, Alabama)
Beautiful Queen Anne house on a major highway
Albert Heintz Oscar, and Linda, House (Multnomah County, Oregon)
Albert Kahn House (Wayne County, Michigan)
Albert Retan House (Pulaski County, Arkansas)
Alberta Teachers House (Stevens County, Minnesota)
Albin P. Dearing House (Clarke County, Georgia)
Albon Chase House (Clarke County, Georgia)
Alcazar Hotel (Cuyahoga County, Ohio)
Alden Public Library (Hardin County, Iowa)
Alderman House (Lee County, Florida)
Aldie Mill Historic District (Loudoun County, Virginia)
Aldo Leopold Neighborhood Historic District (Bernalillo County, New Mexico)
Aldworth Manor (Cheshire County, New Hampshire)
Alert--Hatcher Building (Sierra County, New Mexico)
Alexander and Cornelia Lewthwaite House (Multnomah County, Oregon)
Alexander Crummell School (Washington, District of Columbia)
Alexander D. McDougall House (Multnomah County, Oregon)
Alexander Graham Bell Laboratory (Washington, District of Columbia)
Alexander Grzelachowski House and Store (Guadalupe County, New Mexico)
Alexander H. Keith House (McMinn County, Tennessee)
Alexander Pantages Theater (Fresno County, California)
Alexander Theatre (Los Angeles County, California)
Alexander--Campbell House (Taylor County, Texas)
Alexandria Garden District (Rapides Parish, Louisiana)
Alexandria Public Library, Old (Rapides Parish, Louisiana)
Alexandria Residential Historic District (Douglas County, Minnesota)
Alfred C. and Nettie Ruby House (Multnomah County, Oregon)
Alfred Drowne Road Historic District (Bristol County, Rhode Island)
Alfred Friar House (DeWitt County, Texas)
Alfred H. and Mary E. Smith House (Multnomah County, Oregon)
Alfred Haines House (San Diego County, California)
Alfred Hatch Place at Arcola (Hale County, Alabama)
A historic plantation house and historic district on the Black Warrior River several miles northwest of Gallion, Alabama.
Alfred J. Comeau House (Palm Beach County, Florida)
Alfred M. Hoelz House (Milwaukee County, Wisconsin)
Historically significant Ernest Flagg designed stone masonry house
Alfred R. Voss Farmstead (Watonwan County, Minnesota)
Alfred W. Henson House (White County, Arkansas)
Alfred W. McCune Mansion (Salt Lake County, Utah)
Algernon S. Paddock House (Gage County, Nebraska)
Algonquin Apartments (Miami-Dade County, Florida)
Alhambra Hotel (Maricopa County, Arizona)
Alice (Iberia Parish, Louisiana)
Alice Paul Birthplace (Burlington County, New Jersey)
Aliceville Elementary and High School (Pickens County, Alabama)
Aliiolani Hale (Honolulu County, Hawaii)
All Saint's Church (Pinal County, Arizona)
All Saints Episcopal Church (Orange County, Florida)
All Saints' Church (Hillsborough County, New Hampshire)
All Saints' Episcopal Church, Waccamaw (Georgetown County, South Carolina)
All Souls Episcopal Church and Parish House (Buncombe County, North Carolina)
Allan Miller House (Cook County, Illinois)
Allen Academy Memorial Hall (Brazos County, Texas)
Allen Dial House (Laurens County, South Carolina)
Allen House (Baldwin County, Alabama)
Allen Memorial Medical Library (Cuyahoga County, Ohio)
Allen Street Historic District (Providence County, Rhode Island)
Allen--Madison House (Washington County, Rhode Island)
Allentown Historic District (Erie County, New York)
Allentown Mill (Monmouth County, New Jersey)
Allgates (Delaware County, Pennsylvania)
Allie M. Best House (Hart County, Georgia)
Allison Dormitory (Santa Fe County, New Mexico)
Allmand-Archer House (Norfolk, Virginia)
Allstadt House and Ordinary (Jefferson County, West Virginia)
Allyn House (Middlesex County, Massachusetts)
Alma Ward Meeting House (Maricopa County, Arizona)
Almon A. Covey House (Salt Lake County, Utah)
Aloha Tower (Honolulu County, Hawaii)
Alonzo Foringer House and Studio (Bergen County, New Jersey)
Alpha Tau Omega Fraternity House (Tippecanoe County, Indiana)
Alpha Xi Delta Sorority Chapter House (Champaign County, Illinois)
Alpine City Hall (Utah County, Utah)
Alpine LDS Church Meetinghouse (Utah County, Utah)
Alsop, Richard IV, House (Middlesex County, Connecticut)
Alston--Bedwell House (Cherokee County, Oklahoma)
Altamahaw Mill Office (Alamance County, North Carolina)
Altawood Historic District (Jefferson County, Kentucky)
Altman House (Phillips County, Arkansas)
Alton Chapter House (Madison County, Illinois)
Alumni--Latham--Mooreland Historic District (Christian County, Kentucky)
Alva Consolidated Schools (Lee County, Florida)
Alva Kitselman House (Delaware County, Indiana)
Alvah Stone Mill (Franklin County, Massachusetts)
Alvarado Historic District (Maricopa County, Arizona)
Alvarado Terrace Historic District (Los Angeles County, California)
Alvin and Grace Washburn House (Utah County, Utah)
Ambassador Hotel (Tulsa County, Oklahoma)
Ambrose Baber House (Bibb County, Georgia)
American Firebrick Company (Spokane County, Washington)
American Flag Post Office Ranch (Pinal County, Arizona)
American Legion Hall (Kiowa County, Colorado)
American Legion Hall (Thurston County, Washington)
American National Bank Building (Sarasota County, Florida)
American National Bank Building (Palm Beach County, Florida)
American System Built Homes-Burnham Street District (Milwaukee County, Wisconsin)
Prototype structures of Frank Lloyd Wright's concept of American System Homes.
American Women's League Chapter House (Nez Perce County, Idaho)
Americanization School (San Diego County, California)
Ames, Winslow, House (New London County, Connecticut)
Amistad Gymnasium (Union County, New Mexico)
Amory Ballroom (Cheshire County, New Hampshire)
Amos and Vera Nininger House (Jackson County, Oregon)
Anacapa Island Light Station (Ventura County, California)
Anadarko Downtown Historic District (Caddo County, Oklahoma)
Anchorage Hotel Annex (Anchorage, Alaska)
Andalucia Building (Santa Barbara County, California)
Andalusia (Los Angeles County, California)
Andalusia (Bucks County, Pennsylvania)
Anderson College Historic District (Anderson County, South Carolina)