National Historic Landmark

Abel and Mary Nicholson House (Salem County, New Jersey)
Academy of Music (Philadelphia County, Pennsylvania)
Acoma (Valencia County, New Mexico)
Adams Power Plant Transformer House (Niagara County, New York)
Adler Planetarium (Cook County, Illinois)
Ahwahnee Hotel (Mariposa County, California)
Ainsley Hall House (Richland County, South Carolina)
Alabama State Capitol (Montgomery County, Alabama)
Alaska Native Brotherhood Hall (Sitka Borough, Alaska)
Alcatraz (San Francisco County, California)
Alexander Campbell Mansion (Brooke County, West Virginia)
Alexander Wade House (Monongalia County, West Virginia)
Alexandria Historic District (Alexandria, Virginia)
Allegheny County Courthouse and Jail (Allegheny County, Pennsylvania)
ALMA (Scow Schooner) (San Francisco County, California)
Alsop, Richard IV, House (Middlesex County, Connecticut)
Amana Villages (Iowa County, Iowa)
AMERICAN EAGLE (schooner) (Knox County, Maine)
American Philosophical Society Hall (Philadelphia County, Pennsylvania)
American Stock Exchange (New York County, New York)
Ammadelle (Lafayette County, Mississippi)
Andalusia (Bucks County, Pennsylvania)
Andrew John Volstead House (Yellow Medicine County, Minnesota)
Andrews Methodist Church (Taylor County, West Virginia)
Anheuser-Busch Brewery (St. Louis, Missouri)
Anza House (San Benito County, California)
Apollo Mission Control Center (Harris County, Texas)
Appleton, Nathan, Residence (Suffolk County, Massachusetts)
Aquatic Park Historic District (San Francisco County, California)
Aquia Church (Stafford County, Virginia)
Arbor Lodge (Otoe County, Nebraska)
Arcade, The (Providence County, Rhode Island)
Arlington (Adams County, Mississippi)
Armistead Burt House (Abbeville County, South Carolina)
Armour-Stiner House (Westchester County, New York)
Armsmear (Hartford County, Connecticut)
Arts Club of Washington (Washington, District of Columbia)
Aspendale (Kent County, Delaware)
Assay Office (Ada County, Idaho)
Astor Fur Warehouse (Crawford County, Wisconsin)
Atalaya (Georgetown County, South Carolina)
Athenaeum (Das Deutsche Haus) (Marion County, Indiana)
Athenaeum of Philadelphia (Philadelphia County, Pennsylvania)
Atlantic City Convention Hall (Atlantic County, New Jersey)
Auburn (Adams County, Mississippi)
Augusta Canal Industrial District (Richmond County, Georgia)
Austen, Elizabeth Alice, House (Richmond County, New York)
Avery Coonley House (Cook County, Illinois)
Aztalan (Jefferson County, Wisconsin)
Bacon's Castle (Surry County, Virginia)
Balboa Park (San Diego County, California)
BALCLUTHA (San Francisco County, California)
Baltimore and Ohio Railroad Martinsburg Shops (Berkeley County, West Virginia)
Bannack Historic District (Beaverhead County, Montana)
Barnard, Henry, House (Hartford County, Connecticut)
Barton Hall (Colbert County, Alabama)
Bastrop State Park (Bastrop County, Texas)
Bathhouse Row (Garland County, Arkansas)
Bayard-Condict Building (New York County, New York)
Beaufort Historic District (Beaufort County, South Carolina)
Beauvoir (Harrison County, Mississippi)
Beehive House (Salt Lake County, Utah)
Bell, Isaac, Jr., House (Newport County, Rhode Island)
BELLE OF LOUISVILLE (steamer) (Jefferson County, Kentucky)
Benjamin Harrison House (Marion County, Indiana)
Bentonville Battleground State Historic Site (Johnston County, North Carolina)
BERKELEY (San Diego County, California)
Berkeley (Charles City County, Virginia)
Berry Hill (Halifax County, Virginia)
Bethabara Historic District (Forsyth County, North Carolina)
Bethania Historic District (Forsyth County, North Carolina)
Bethesda Presbyterian Church (Kershaw County, South Carolina)
Biltmore Estate (Buncombe County, North Carolina)
Bishop Hill Historic District (Henry County, Illinois)
Blaine, James G., House (Kennebec County, Maine)
Blair House (Washington, District of Columbia)
Blanche K. Bruce House (Washington, District of Columbia)
Blandwood (Guilford County, North Carolina)
Block Island South East Light (Washington County, Rhode Island)
Boat House Row (Philadelphia County, Pennsylvania)
Bodie Historic District (Mono County, California)
Boley Historic District (Okfuskee County, Oklahoma)
Bollman Truss Railroad Bridge (Howard County, Maryland)
Bollman through truss bridge over Little Patuxent River in Savage, near the intersection of Goman Road and Foundry Street
Bonneville Dam (Multnomah County, Oregon)
Dam and Lock
Borough House Plantation (Sumter County, South Carolina)
Boston Common (Suffolk County, Massachusetts)
Boston Light (Suffolk County, Massachusetts)
Boston Manufacturing Company (Middlesex County, Massachusetts)
Boston Naval Shipyard (Suffolk County, Massachusetts)
BOWDOIN (schooner) (Hancock County, Maine)
Bowen, Henry C., House (Windham County, Connecticut)
Boxwood Hall (Union County, New Jersey)
Bradbury Building (Los Angeles County, California)
Brandon (Prince George County, Virginia)
Breakers, The (Newport County, Rhode Island)
Bremo Plantation (Fluvanna County, Virginia)
Brice House (Anne Arundel County, Maryland)
Brick House Ruin (Charleston County, South Carolina)
Brick Market (Newport County, Rhode Island)
Brooklyn Bridge (Unspecified county, New York)
Suspension bridge over East River between Manhattan and Brooklyn in New York
Brown, John, House (Providence County, Rhode Island)
Bruton Parish Church (Williamsburg, Virginia)
Bryce Canyon Lodge and Deluxe Cabins (Garfield County, Utah)
Buckman Tavern (Middlesex County, Massachusetts)
Buffalo State Asylum for the Insane (Erie County, New York)
Bunche, Ralph, House (Queens County, New York)
Bunker Hill Monument (Suffolk County, Massachusetts)
Burks' Distillery (Marion County, Kentucky)
Burlington County Prison (Burlington County, New Jersey)
Burton K. Wheeler House (Silver Bow County, Montana)
Bush-Holley House (Fairfield County, Connecticut)
Bushy Run Battlefield (Westmoreland County, Pennsylvania)
C.A. THAYER (San Francisco County, California)
Calabasas (Santa Cruz County, Arizona)
Calhoun Mine (Lumpkin County, Georgia)
Calvin Coolidge Homestead District (Windsor County, Vermont)
Cambria Iron Company (Cambria County, Pennsylvania)
Camden Battlefield (Kershaw County, South Carolina)
Canfield Casino and Congress Park (Saratoga County, New York)
Cannelton Cotton Mills (Perry County, Indiana)
Cape Canaveral Air Force Station (Brevard County, Florida)
Cape Hatteras Light Station (Dare County, North Carolina)
Tallest Lighthouse in the United States
Cape Henry Lighthouse (Virginia Beach, Virginia)
Cape May Historic District (Cape May County, New Jersey)
Capen, Parson, House (Essex County, Massachusetts)
Capt. Edward V. Rickenbacker House (Franklin County, Ohio)
CAPTAIN MERIWETHER LEWIS (dredge) (Nemaha County, Nebraska)
Carew Tower (Hamilton County, Ohio)
Carl Sandburg Home National Historic Site (Henderson County, North Carolina)
Carlsbad Irrigation District (Eddy County, New Mexico)
Carmel Mission (Monterey County, California)
Carnegie, Andrew, Mansion (New York County, New York)
Carpenters' Hall (Philadelphia County, Pennsylvania)
Carter G. Woodson House (Washington, District of Columbia)
Carter's Grove (James City County, Virginia)
Casselman's Bridge, National Road (Garrett County, Maryland)
Stone arch bridge over Casselman River on Old US 40, east of Grantsville
Castalian Springs (Sumner County, Tennessee)
Cataldo Mission (Kootenai County, Idaho)
Cathedral of St. Augustine (St. Johns County, Florida)
Cedarcroft (Chester County, Pennsylvania)
Central of Georgia Depot and Trainshed (Chatham County, Georgia)
Central Park (New York County, New York)
Large public park in the middle of Manhattan
Chamber of Commerce Building (New York County, New York)
Chapelle Administration Building (Richland County, South Carolina)
Charles A. Lindbergh House and Park (Morrison County, Minnesota)
Charles Evans Hughes House (Washington, District of Columbia)
Charles L. Shrewsbury House (Jefferson County, Indiana)
Charles McLaran House (Lowndes County, Mississippi)
Charles Richard Drew House (Arlington County, Virginia)
CHARLES W. MORGAN (New London County, Connecticut)
Charlotte Forten Grimke House (Washington, District of Columbia)
Chase, Salmon P., Birthplace (Sullivan County, New Hampshire)
Chase-Lloyd House (Anne Arundel County, Maryland)
Chateau-sur-Mer (Newport County, Rhode Island)
Cherokee National Capitol (Cherokee County, Oklahoma)
CHESAPEAKE (lightship) (Baltimore, Maryland)
Chesterwood (Berkshire County, Massachusetts)
Chicago Board of Trade Building (Cook County, Illinois)
Chinook Point (Pacific County, Washington)
Chowan County Courthouse (Chowan County, North Carolina)
Christ Church (Middlesex County, Massachusetts)
Christ Church (Philadelphia County, Pennsylvania)
Christ Church (Lancaster County, Virginia)
Christ Church (Alexandria, Virginia)
Christ Church (Wake County, North Carolina)
Christ Church Cathedral (St. Louis, Missouri)
Chrysler Building (New York County, New York)
Church of the Holy Family (St. Clair County, Illinois)
Churchill Downs (Jefferson County, Kentucky)
Cincinnati Music Hall (Hamilton County, Ohio)
Cincinnati Union Terminal (Hamilton County, Ohio)
Cincinnati Zoo Historic Structures (Hamilton County, Ohio)
CINCPAC Headquarters (Honolulu County, Hawaii)
Circular Congregational Church and Parish House (Charleston County, South Carolina)
City Hall (New York County, New York)
Clara Barton National Historic Site (Montgomery County, Maryland)
Clark Mills Studio (Charleston County, South Carolina)
Clermont (Columbia County, New York)
Cleveland Arcade (Cuyahoga County, Ohio)
Cliveden (Philadelphia County, Pennsylvania)
Clover Lawn (McLean County, Illinois)
Cobblestone Historic District (Orleans County, New York)
Coffin, Jethro, House (Nantucket County, Massachusetts)
Coker Experimental Farms (Darlington County, South Carolina)
Col. Charles Young House (Greene County, Ohio)
Col. John Stuart House (Charleston County, South Carolina)
Cole's Hill (Plymouth County, Massachusetts)