Adolph H. Kayser House (Dane County, Wisconsin)
Adolph J. Zang House (Denver County, Colorado)
Adolph Rose Building (Warren County, Mississippi)
Adolph Zang Mansion (Denver County, Colorado)
Adon Smith House (Madison County, New York)
Adoniram Masonic Lodge (Granville County, North Carolina)
Adorno Station (Humboldt County, Nevada)
Adrian Barela House (Bernalillo County, New Mexico)
Adrian Brewer Studio (Pulaski County, Arkansas)
Adrian Engine House No. 1 (Lenawee County, Michigan)
Adrian Public Library (Lenawee County, Michigan)
Adrian State Bank (Nobles County, Minnesota)
Adriatic Mills (Worcester County, Massachusetts)
Adsit House (Steuben County, New York)
Adsmore (Caldwell County, Kentucky)
Advance Mills Historic District (Albemarle County, Virginia)
Advent Historic District (Calhoun County, Michigan)
Advertising Building (St. Louis, Missouri)
Aetna Station No. 5 (Fond du Lac County, Wisconsin)
Repurposed fire station now serving as a private office
African Church (St. Charles County, Missouri)
African Meetinghouse (Suffolk County, Massachusetts)
African Methodist Episcopal Church (Allegany County, Maryland)
Afro-American Insurance Company Building (York County, South Carolina)
Afro-American Sons and Daughters Hospital (Yazoo County, Mississippi)
Aftermath Clubhouse (Whatcom County, Washington)
Ag Hill Complex (Centre County, Pennsylvania)
Agawam Center Historic District (Hampden County, Massachusetts)
Age-Herald Building (Jefferson County, Alabama)
Agen Warehouse (King County, Washington)
Agler-La Follette House (Franklin County, Ohio)
Agnes Howard Hall (Upshur County, West Virginia)
Agnes V. Krebs House (Jackson County, Mississippi)
Agnew Hunter Bahnson House (Forsyth County, North Carolina)
Agra Consolidated School (Phillips County, Kansas)
Agricultural Chemistry Building (Dane County, Wisconsin)
Member of the Henry Mall Historic District
Agricultural Dean's House (Dane County, Wisconsin)
Agricultural Engineering Building (Dane County, Wisconsin)
Member of the Henry Mall Historic District
Agricultural Heating station (Dane County, Wisconsin)
Agriculture Hall (Dane County, Wisconsin)
Member of the Henry Mall Historic District
Agriculture Hall (Story County, Iowa)
Agudas Achim Anshei Sfard Synagogue (Middlesex County, Massachusetts)
Agudath Sholem Synagogue (Fairfield County, Connecticut)
Ah Louis Store (San Luis Obispo County, California)
Ahavas Shalom Reform Temple (Noble County, Indiana)
Ahavas Sholem Synagogue (New Haven County, Connecticut)
Ahavas Sholom (Essex County, New Jersey)
Ahearn House and Summer House (Barnstable County, Massachusetts)
Ahimaaz King House (Warren County, Ohio)
Ahnapee Brewery (Kewaunee County, Wisconsin)
Former brewery now a popular winery, open for tours
Ahoskie Downtown Historic District (Hertford County, North Carolina)
Ahoskie School (Hertford County, North Carolina)
Aigler Alumni Building (Seneca County, Ohio)
Aiken House (Rensselaer County, New York)
Aiken Winter Colony Historic District I (Aiken County, South Carolina)
Aiken Winter Colony Historic District II (Aiken County, South Carolina)
Aiken Winter Colony Historic District III (Aiken County, South Carolina)
Aiken's Tavern Historic District (New Castle County, Delaware)
Aiken, Abraham, House (Essex County, New York)
Ailes House (Copiah County, Mississippi)
Aillet House (West Baton Rouge Parish, Louisiana)
Aimwell Baptist Church (Mobile County, Alabama)
Aines Farm Dairy Building (Jackson County, Missouri)
Ainsley Hall House (Richland County, South Carolina)
Ainsworth House (Sanders County, Montana)
Airdrie (Davidson County, Tennessee)
Airmount Grave Shelter (Clarke County, Alabama)
A brick grave shelter, or grave house, located in the Airmount Cemetery near Thomasville, Alabama.
Airplane Service Station (Knox County, Tennessee)
Airview Historic District (Frederick County, Maryland)
Airville (Gloucester County, Virginia)
Airy Castle (Bourbon County, Kentucky)
Airy Hill (Kent County, Maryland)
Airy Mount (Woodford County, Kentucky)
Aitkin Carnegie Library (Aitkin County, Minnesota)
Aitkin County Courthouse and Jail (Aitkin County, Minnesota)
Akron Gymnasium (Washington County, Colorado)
Akron Jewish Center (Summit County, Ohio)
Former Jewish Community Center, now owned by the City of Akron
Akron Y.M.C.A. Building (Summit County, Ohio)
Listed by the City of Akron in 2008 as one of Akron's seven most historic buildings
Al's Diner (Hampden County, Massachusetts)
Al. Ringling Theatre (Sauk County, Wisconsin)
Likely the first "movie palace" designed by Rapp & Rapp
Alabama and Vicksburg Railroad Depot (Newton County, Mississippi)
Alabama City Library (Etowah County, Alabama)
Alabama Girls' Industrial School (Shelby County, Alabama)
A women-only technical school that also offered high school-level courses.
Alabama Insane Hospital (Tuscaloosa County, Alabama)
Alabama's oldest and largest inpatient psychiatric facility.
Alabama Iron Works (Franklin County, Alabama)
Alabama Midland Railway Depot (Houston County, Alabama)
Alabama Penny Savings Bank (Jefferson County, Alabama)
Alabama State University Historic District (Montgomery County, Alabama)
Alabama Theatre (Jefferson County, Alabama)
A movie palace, built in 1927, by the Paramount Pictures.
Aladdin Theater (Brevard County, Florida)
Alamance Hotel (Alamance County, North Carolina)
Alameda (Marion County, Indiana)
Alameda Apartments (Muskingum County, Ohio)
Alameda City Hall (Alameda County, California)
Alameda Free Library (Alameda County, California)
Alameda-Depot Historic District (Dona Ana County, New Mexico)
Alamo Hotel (El Paso County, Colorado)
Alamo Methodist Church (Bexar County, Texas)
Alamo National Bank Building (Bexar County, Texas)
Alamo National Bank Building (Bexar County, Texas)
Alamo Placita Park (Denver County, Colorado)
Alamo Plaza Historic District (Bexar County, Texas)
Alamo Ranchhouse (Washoe County, Nevada)
Alamosa County Courthouse (Alamosa County, Colorado)
Alana Apartment Hotel (Jackson County, Missouri)
Alango School (St. Louis County, Minnesota)
Alanson Green Farm House (Genesee County, Michigan)
Alanson Pomeroy House (Cuyahoga County, Ohio)
Alapaha Colored School (Berrien County, Georgia)
Alaska Trade Building (King County, Washington)
Alban Towers Apartment Building (Washington, District of Columbia)
Albania (Chowan County, North Carolina)
Albania Plantation House (St. Mary Parish, Louisiana)
Albany Carnegie Public Library (Gentry County, Missouri)
Albany District Pecan Growers' Exchange (Dougherty County, Georgia)
Albany Felt Company Complex (Albany County, New York)
Albany Housefurnishing Company (Dougherty County, Georgia)
Albany Institute of History and Art (Albany County, New York)
Albany Railroad Depot Historic District (Dougherty County, Georgia)
Albany Rural Cemetery (Albany County, New York)
Albany Street Historic District (Madison County, New York)
Albany Theatre (Dougherty County, Georgia)
Albers Brothers Mill (Pierce County, Washington)
Albers Brothers Milling Company (Multnomah County, Oregon)
Albert and Liberal Arts Halls (Randolph County, West Virginia)
Albert and Lina Stenger House (Platte County, Nebraska)
Albert and Mariah Bryner House (Carbon County, Utah)
Albert Baird Cummins House (Polk County, Iowa)
Albert E. Sleeper House (Huron County, Michigan)
Albert F. Madlener House (Cook County, Illinois)
Albert F. Solliday House (Jefferson County, Wisconsin)
Albert Field Tack Company (Bristol County, Massachusetts)
Albert G. Henry Jr. House (Marshall County, Alabama)
Beautiful Queen Anne house on a major highway
Albert Gallatin Blakey House (Cooper County, Missouri)
Albert Goodin House (Larue County, Kentucky)
Albert H. Kelly House (Salt Lake County, Utah)
Albert Heintz Oscar, and Linda, House (Multnomah County, Oregon)
Albert Kiene House (Scott County, Iowa)
Albert Krog House (Franklin County, Missouri)
Albert Lea City Hall (Freeborn County, Minnesota)
Albert Lea Commercial Historic District (Freeborn County, Minnesota)
Albert Lenoir House (Loudon County, Tennessee)
Albert McCoy Farm (Mecklenburg County, North Carolina)
Albert Neal Durden House (Emanuel County, Georgia)
Albert R. Beardsley House (Elkhart County, Indiana)
Albert S. and Ruth Goodloe House (Taylor County, Texas)
Albert S. Brandeis Elementary School (Jefferson County, Kentucky)
Albert S. Heck Mansion (Roane County, West Virginia)
Albert S. Sholes House (Washington County, Oregon)
Albert Salmen House (St. Tammany Parish, Louisiana)
Albert Soffel House (Cook County, Illinois)
Albert Spencer Wilcox Building (Kauai County, Hawaii)
Albert Swain Bryson House (Macon County, North Carolina)
Albert W. Henn Mansion (Cuyahoga County, Ohio)
Albert W. Thompson Hall (Whitman County, Washington)
Alberta Mill Complex (Orange County, North Carolina)
Albertina Kerr Nursery (Multnomah County, Oregon)
Albertine and Fred Heck House (Carver County, Minnesota)
Alberton School (Mineral County, Montana)
Albertus Van Loon House (Greene County, New York)
Albertville (Former) U.S. Post Office (Marshall County, Alabama)
Built in 1931 under Andreew Mellon, now serving the Board of Education
Albertville Roller Mill (Wright County, Minnesota)
Albin B. Swindell House and Store (Hyde County, North Carolina)
Albin Major House (Pointe Coupee Parish, Louisiana)
Albin P. Dearing House (Clarke County, Georgia)
Albion Flats (Vanderburgh County, Indiana)
Albion Historic District (Providence County, Rhode Island)
Albion Methodist Church (Cassia County, Idaho)
Albion Normal School Campus (Cassia County, Idaho)
Albion State Bank (Pushmataha County, Oklahoma)
Albon Chase House (Clarke County, Georgia)
Albright House (Lee County, Iowa)
Albright-Dukes House (Laurens County, South Carolina)
Alcatraz (San Francisco County, California)
Alcazar Hotel (Cuyahoga County, Ohio)
Alcazar Hotel, New (Coahoma County, Mississippi)
Alcoa South Plant Office (Blount County, Tennessee)
Alcove Historic District (Albany County, New York)
Alden Hatch Steele House (Thurston County, Washington)
Alden Park Manor (Philadelphia County, Pennsylvania)
Alden Park Towers (Wayne County, Michigan)
Alden Public Library (Hardin County, Iowa)
Alden--Delahanty Block (Worcester County, Massachusetts)