Private owner

Carll House (Dix Hills) (Suffolk County, New York)
Carll House (Huntington) (Suffolk County, New York)
Carll, Ezra, Homestead (Suffolk County, New York)
Carlock Building (Lubbock County, Texas)
Carlos and Anne Recker House (Marion County, Indiana)
Carlos Avery House (Lorain County, Ohio)
Carlos Vierra House (Santa Fe County, New Mexico)
Carlott Funseth Round Barn (Grand Forks County, North Dakota)
Carlotta Hotel (Humboldt County, California)
Carlowville Historic District (Dallas County, Alabama)
A historic district in the community of Carlowville, Alabama.
Carlson, Eric, Three-Decker (Worcester County, Massachusetts)
Carlton (Stafford County, Virginia)
Carlton D. Wall House (Wayne County, Michigan)
Carlton Hotel (Washington, District of Columbia)
Carlton House (Chicot County, Arkansas)
Carlton House Block (Hampden County, Massachusetts)
Carlton Pepper David, Farm (Sussex County, Delaware)
Carlton Place Historic District (Tulsa County, Oklahoma)
Carlton State and Savings Bank (Yamhill County, Oregon)
Carlton--Frie--Tucker House (Essex County, Massachusetts)
Carlton--Gladden House (Lamar County, Texas)
Carlyle-Blakey Farm (Barrow County, Georgia)
Carman, Cornelius, House (Dutchess County, New York)
Carmel Mission (Monterey County, California)
Carmel Presbyterian Church (Adams County, Mississippi)
Carmel Rural Historic District (Meriwether County, Georgia)
Carmelita Mayhew House (Yuma County, Arizona)
Carmen IOOF Lodge No. 84 (Alfalfa County, Oklahoma)
Carmi Chapter House (White County, Illinois)
Carmichael House (Clarke County, Mississippi)
Carmichael House (Jefferson County, Kentucky)
Carmichael-Loudon House (Yakima County, Washington)
Carminatti--Perham House (Pinal County, Arizona)
Carnahan House (Rapides Parish, Louisiana)
Carnahan Store (Natchitoches Parish, Louisiana)
Carnegie Branch Library (Lauderdale County, Mississippi)
Carnegie Free Library (Door County, Wisconsin)
Former Carnegie Library now serving an accounting firm as an office building
Carnegie Institute and Library (Allegheny County, Pennsylvania)
Carnegie Library (O'Brien County, Iowa)
Carnegie Library (Wood County, West Virginia)
Carnegie Library (Davidson County, Tennessee)
Carnegie Library (Whitley County, Kentucky)
Carnegie Library (Boyle County, Kentucky)
Carnegie Library (Essex County, New Jersey)
Carnegie Library (Fulton County, Kentucky)
Carnegie Library of Moultrie (Colquitt County, Georgia)
Carnegie Public Library (Ada County, Idaho)
Carnegie Public Library (Hill County, Montana)
Carnegie Public Library (Sumter County, South Carolina)
Carnegie, Andrew, Mansion (New York County, New York)
Carney, Sgt. William H., House (Bristol County, Massachusetts)
Carnton (Williamson County, Tennessee)
Carolands, The (San Mateo County, California)
Carolina Hall (Mobile County, Alabama)
Carolina Methodist Church (Nevada County, Arkansas)
Carolina Place Historic District (New Hanover County, North Carolina)
Carolina School Supply Company Building (Former) (Mecklenburg County, North Carolina)
Carolina Supply Company (Greenville County, South Carolina)
Carolina Theater (Cumberland County, North Carolina)
Carolina Theatre (Robeson County, North Carolina)
Carolina Village Historic District (Washington County, Rhode Island)
Caroline Bancroft House (Denver County, Colorado)
Caroline Church and Cemetery (Suffolk County, New York)
Caroline Fotheringham House (Beaver County, Utah)
Caroline Grow House (Cook County, Illinois)
Caroline Mark House (Carroll County, Illinois)
Caroline Millward House (Cook County, Illinois)
Caroline W. and M. Louise Flanders House (Multnomah County, Oregon)
Carondelet School (St. Louis, Missouri)
Carpenter and Bean Block (Hillsborough County, New Hampshire)
Carpenter Center for the Visual Arts (Middlesex County, Massachusetts)
Carpenter Dam (Garland County, Arkansas)
Carpenter Homestead (Bristol County, Massachusetts)
Carpenter Hotel (Minnehaha County, South Dakota)
Carpenter House (Shelby County, Kentucky)
Carpenter House (New London County, Connecticut)
Carpenter House (Bristol County, Massachusetts)
Carpenter Street School (Gloucester County, New Jersey)
Carpenter United Methodist Church (Copiah County, Mississippi)
Carpenter, Christopher, House (Bristol County, Massachusetts)
Carpenter, Col. Thomas, III, House (Bristol County, Massachusetts)
Carpenter, Frank Pierce, House (Hillsborough County, New Hampshire)
Carpenter, George, House (Worcester County, Massachusetts)
Carpenter, John B., House (Clinton County, New York)
Carpenter, Joseph, Silversmith Shop (New London County, Connecticut)
Carpenter-Lippincott House (New Castle County, Delaware)
Carpenter-Smith House (Oldham County, Kentucky)
Carpenters' Hall (Philadelphia County, Pennsylvania)
Carr House (Solano County, California)
Carr House (Warren County, Illinois)
Carr Junior High School (Warren County, Mississippi)
Carr No. 60 School (Perkins County, South Dakota)
Carr's Hall (Vigo County, Indiana)
Carr, Daniel, House (Grafton County, New Hampshire)
Carr, Dr. George W., House (Providence County, Rhode Island)
Carr, Martin W., School (Middlesex County, Massachusetts)
Carr, Robert P., House (Sagadahoc County, Maine)
Carr--Jeeves House (Middlesex County, Massachusetts)
Carrabassett Inn (Somerset County, Maine)
Carraway House (Pike County, Mississippi)
Carrboro Commercial Historic District (Orange County, North Carolina)
Carreau Block (Hampden County, Massachusetts)
Carriage House Historic District (Custer County, Montana)
Carriage Point (Bryan County, Oklahoma)
Carrick Furnace (Franklin County, Pennsylvania)
Carrie Blast Furnace Number 6 and 7 (Allegheny County, Pennsylvania)
Carrie Lovejoy House (Franklin County, Ohio)
Carrie Pierce House (Dane County, Wisconsin)
Carrie Tucker House (Sharp County, Arkansas)
Carrier Houses (Rutherford County, North Carolina)
Carrigan Lane Historic District (Bennington County, Vermont)
Carriger-Cowan House (Carter County, Tennessee)
Carriss's Feed Store (Shelby County, Kentucky)
Carriss's Store (Shelby County, Kentucky)
Carroll Alsop House (Mahaska County, Iowa)
Carroll Avenue, 1300 Block (Los Angeles County, California)
Carroll Building (New London County, Connecticut)
Carroll County Court House (Carroll County, New Hampshire)
Carroll Gardens Historic District (Kings County, New York)
Carroll House (East Feliciana Parish, Louisiana)
Carroll House Hotel (Dickey County, North Dakota)
Carroll Place (Dorchester County, South Carolina)
Carroll Stagecoach Inn (Holt County, Missouri)
Carroll-Harper House (Floyd County, Georgia)
Carroll-Hartshorn House (Middlesex County, Massachusetts)
Carroll-Richardson Grist Mill (Floyd County, Georgia)
Carrollton Manor (Frederick County, Maryland)
Carrollton Viaduct (Baltimore, Maryland)
Stone arch bridge over Gwynn's Falls
Carrsbrook (Albemarle County, Virginia)
Carrswold Historic District (St. Louis County, Missouri)
Carry A. Nation House (Garrard County, Kentucky)
Carry A. Nation House (Barber County, Kansas)
Carskadon House (Mineral County, West Virginia)
Carson College for Orphan Girls (Montgomery County, Pennsylvania)
Carson County Square House Museum (Carson County, Texas)
Carson H. Cosgrove House (Le Sueur County, Minnesota)
Carson House (McDowell County, North Carolina)
Carson Place (Tuscaloosa County, Alabama)
Carson Roller Mill (Grant County, North Dakota)
Carson School (Taos County, New Mexico)
Carson Valley Hospital (Douglas County, Nevada)
Carson's Landing (Butler County, Kentucky)
Carson--Annis Ferry Farm (Butler County, Kentucky)
Carson-Andrews Mill and Ben F.W. Andrews House (Rutherford County, North Carolina)
Carter Allen House (Warren County, Kentucky)
Carter Block (Stearns County, Minnesota)
Carter Coal Company Store (McDowell County, West Virginia)
Carter Coal Company Store (McDowell County, West Virginia)
Carter Farm (Ohio County, West Virginia)
Carter G. Woodson House (Washington, District of Columbia)
Carter Glass House (Lynchburg, Virginia)
Carter Hall (Clarke County, Virginia)
Carter Hill (Kershaw County, South Carolina)
Carter Hill (Russell County, Virginia)
Carter House (Woodford County, Kentucky)
Carter House (Clayton County, Iowa)
Carter House (Tangipahoa Parish, Louisiana)
Carter Mansion (Middlesex County, Massachusetts)
Carter Plantation (Livingston Parish, Louisiana)
Carter Street Schoolhouse No. 21 (Jefferson County, New York)
Carter W. Gibbes House (Maricopa County, Arizona)
Carter's Grove (James City County, Virginia)
Carter's Quarters (Murray County, Georgia)
Carter's Tavern (Halifax County, Virginia)
Carter--Callaway House (Jackson County, Mississippi)
Carter--Jones House (Marion County, Arkansas)
Carter--Terry--Call House (Utah County, Utah)
Carter-Fortmiller House (Jackson County, Oregon)
Carter-Gilmer House (Charlottesville, Virginia)
Carter-Goodrich House (Yamhill County, Oregon)
Carter-Rice Building (Denver County, Colorado)
Carter-Swain House (Buncombe County, North Carolina)
Carter-Worth House and Farm (Chester County, Pennsylvania)
Carteret County Home (Carteret County, North Carolina)
Cartersville Bridge (Cumberland County, Virginia)
Abandoned composite wood and iron pratt through truss bridge over James River
Cartersville Historic District (Cumberland County, Virginia)
Carthage Jail (Hancock County, Illinois)
Carthage United Methodist Church (Smith County, Tennessee)
Cartledge House (Lexington County, South Carolina)
Cartwright-Moss House (Davidson County, Tennessee)
Carty-Tussing House (Franklin County, Ohio)
Caruthers House (Yuma County, Arizona)
Carver Theater (Orleans Parish, Louisiana)
Carver Theatre (Richland County, South Carolina)
Carver's Creek Methodist Church (Bladen County, North Carolina)
Carvey-Gatfield House (Orange County, New York)
Carvill Hall (Kent County, Maryland)