National Historic Landmark

Broad Ripple Park Carousel (Marion County, Indiana)
Brook Farm (Suffolk County, Massachusetts)
Brooklyn Bridge (Unspecified county, New York)
Suspension bridge over East River between Manhattan and Brooklyn in New York
Brooklyn Heights Historic District (Kings County, New York)
Brooklyn Historical Society (Kings County, New York)
Brown, John, House (Providence County, Rhode Island)
Bruton Parish Church (Williamsburg, Virginia)
Bryant, William Cullen, Homestead (Hampshire County, Massachusetts)
Bryce Canyon Lodge and Deluxe Cabins (Garfield County, Utah)
Buckingham Friends Meeting House (Bucks County, Pennsylvania)
Buckman Tavern (Middlesex County, Massachusetts)
Buffalo State Asylum for the Insane (Erie County, New York)
Bull Durham Tobacco Factory (Durham County, North Carolina)
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)
Burroughs, John, Cabin (Ulster County, New York)
In the John Burroughs Nature Sanctuary
Burroughs, John, Riverby Study (Ulster County, New York)
Burton K. Wheeler House (Silver Bow County, Montana)
Bush-Holley House (Fairfield County, Connecticut)
Bushy Run Battlefield (Westmoreland County, Pennsylvania)
Butler Fieldhouse (Marion County, Indiana)
Butte--Anaconda Historic District (Unspecified county, Montana)
Buttolph-Williams House (Hartford County, Connecticut)
C. Hart Merriam Base Camp Site (Coconino County, Arizona)
C.A. THAYER (San Francisco County, California)
Cahokia Mounds (St. Clair County, Illinois)
Calabasas (Santa Cruz County, Arizona)
Calhoun Mine (Lumpkin County, Georgia)
Calumet Historic District (Houghton County, Michigan)
Calvin Coolidge Homestead District (Windsor County, Vermont)
Cambria Iron Company (Cambria County, Pennsylvania)
Camden Battlefield (Kershaw County, South Carolina)
Camp Disappointment (Glacier County, Montana)
Camp Hoover (Madison County, Virginia)
Camp Nichols (Cimarron County, Oklahoma)
Camp Pine Knot (Hamilton County, New York)
Camp Santanoni (Essex County, New York)
Camp Uncas (Hamilton County, New York)
Canfield Casino and Congress Park (Saratoga County, New York)
Cannelton Cotton Mills (Perry County, Indiana)
Canterbury Shaker Village (Merrimack County, New Hampshire)
Cape Canaveral Air Force Station (Brevard County, Florida)
Cape Field at Fort Glenn (Umnak Island) (Unspecified borough, Alaska)
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)
Carlisle Indian School (Cumberland County, Pennsylvania)
Carlsbad Irrigation District (Eddy County, New Mexico)
Carmel Mission (Monterey County, California)
Carnegie Endowment for International Peace (Washington, District of Columbia)
Carnegie Hall (New York County, New York)
Carnegie, Andrew, Mansion (New York County, New York)
Carpenters' Hall (Philadelphia County, Pennsylvania)
Carrie Blast Furnace Number 6 and 7 (Allegheny County, Pennsylvania)
Carrollton Viaduct (Baltimore, Maryland)
Stone arch bridge over Gwynn's Falls
Carry A. Nation House (Barber County, Kansas)
Carter G. Woodson House (Washington, District of Columbia)
Carter Glass House (Lynchburg, Virginia)
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)
Castle Hill (Essex County, Massachusetts)
Cataldo Mission (Kootenai County, Idaho)
Cathedral of St. Augustine (St. Johns County, Florida)
Cather House (Webster County, Nebraska)
Cedar Creek Battlefield and Belle Grove (Unspecified county, Virginia)
Cedarcroft (Chester County, Pennsylvania)
Centennial Baptist Church (Phillips County, Arkansas)
Central of Georgia Depot and Trainshed (Chatham County, Georgia)
Central Park (New York County, New York)
Large public park in the middle of Manhattan
Central Synagogue (New York County, New York)
Chamber of Commerce Building (New York County, New York)
Champion Hill Battlefield (Hinds County, Mississippi)
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 F. Kettering House (Montgomery County, Ohio)
Charles Gates Dawes House (Cook County, Illinois)
Charles L. Shrewsbury House (Jefferson County, Indiana)
Charles M. Russell House and Studio (Cascade County, Montana)
Charles McLaran House (Lowndes County, Mississippi)
Charles Richard Drew House (Arlington County, Virginia)
CHARLES W. MORGAN (New London County, Connecticut)
Charles Willson Peale House (Philadelphia County, Pennsylvania)
Charleston Historic District (Charleston County, South Carolina)
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)
Chautauqua Institution Historic District (Chautauqua County, New York)
Cheney Brothers Historic District (Hartford County, Connecticut)
Cherokee National Capitol (Cherokee County, Oklahoma)
CHESAPEAKE (lightship) (Baltimore, Maryland)
Chester Harding House (Suffolk County, Massachusetts)
Chestertown Historic District (Kent County, Maryland)
Chesterwood (Berkshire County, Massachusetts)
Chicago Board of Trade Building (Cook County, Illinois)
Chieftains (Floyd County, Georgia)
Chilkoot Trail (Skagway, Alaska)
Chinook Point (Pacific County, Washington)
Chittenden, Russell Henry, House (New Haven County, Connecticut)
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)
Christ Episcopal Church (Wake County, North Carolina)
CHRISTEEN (oyster sloop) (Middlesex County, Connecticut)
Chrysler Building (New York County, New York)
Chucalissa Indian Village (Shelby County, Tennessee)
Church of St. James the Less (Philadelphia County, Pennsylvania)
Church of the Assumption of the Virgin Mary (Kenai Peninsula Borough, Alaska)
Church of the Holy Ascension (Unspecified borough, Alaska)
Church of the Holy Family (St. Clair County, Illinois)
Churchill Downs (Jefferson County, Kentucky)
Cincinnati Music Hall (Hamilton County, Ohio)
Cincinnati Observatory Building (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 (Richmond, Virginia)
City Hall (New York County, New York)
City Hall (Washington, District of Columbia)
CITY OF MILWAUKEE (Benzie County, Michigan)
One of six sister ships built by Manitowoc Shipbuilding and the last remaining car ferry on the Great Lakes
CITY OF OAKLAND (USS HOGA) (Alameda County, California)
City of Rocks (Cassia County, Idaho)
Clara Barton National Historic Site (Montgomery County, Maryland)
Clark Mills Studio (Charleston County, South Carolina)
Clark Thread Company Historic District (Hudson County, New Jersey)
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)
College Hill (Richmond County, Georgia)
College Hill Historic District (Providence County, Rhode Island)
College of Charleston (Charleston County, South Carolina)
College of Medicine of Maryland (Baltimore, Maryland)
Coloma (El Dorado County, California)
Colonial Annapolis Historic District (Anne Arundel County, Maryland)
Colonial Germantown Historic District (Philadelphia County, Pennsylvania)
COLUMBIA (steamer) (Wayne County, Michigan)
Columbia Historic District (Tuolumne County, California)
Columbia River Highway Historic District (Unspecified county, Oregon)
Columbus Park (Cook County, Illinois)
Commercial Bank and Banker's House (Adams County, Mississippi)
Conference House (Richmond County, New York)
Connecticut Agricultural Experiment Station (New Haven County, Connecticut)
Connecticut Hall, Yale University (New Haven County, Connecticut)
Connecticut State Capitol (Hartford County, Connecticut)
Connecticut Statehouse (Hartford County, Connecticut)
Conrad Weiser House (Berks County, Pennsylvania)
Constitution Hall (Washington, District of Columbia)
Constitution Hall (Douglas County, Kansas)
Converse Memorial Building (Middlesex County, Massachusetts)
Cook Landing Site (Kauai County, Hawaii)
Cook, Will Marion, House (New York County, New York)
Cooleemee (Davie County, North Carolina)
Coolmore Plantation (Edgecombe County, North Carolina)
Cooper Union (New York County, New York)
Copland, Aaron, House (Westchester County, New York)
Corbit-Sharp House (New Castle County, Delaware)
Corcoran Gallery of Art (Washington, District of Columbia)
Corliss--Carrington House (Providence County, Rhode Island)
Cornwall Iron Furnace (Lebanon County, Pennsylvania)
Council Grove Historic District (Morris County, Kansas)
Council Hall (Salt Lake County, Utah)
Courthouse and Lawyers' Row (East Feliciana Parish, Louisiana)
Craftsman Farms (Morris County, New Jersey)
Cranbrook (Oakland County, Michigan)
Crandall, Prudence, House (Windham County, Connecticut)
Crane and Company (Berkshire County, Massachusetts)
Creek National Capitol (Okmulgee County, Oklahoma)