New York - Criteria: A (event)
| Cooperstown Historic District |
| Cooper Union |
| Copake Grange Hall |
| Copake Iron Works Historic District |
| Copake Memorial Clock |
| Copcutt,John,Mansion |
| Copeland Carriage Shop |
| Copeland Covered Bridge |
| Corbin Building |
| Corby Farm Complex |
| Cordts Mansion |
| Corlies-Ritter-Hart House |
| Cornell Heights Historic District |
| Cornell-Manchester Farmstead |
| Cornfield, The |
| Corning Armory |
| Cornwall Brothers' Store |
| Cornwall Friends Meeting House |
| Cortland County Poor Farm |
| Cortland Free Library |
| Corwith, William, House |
| Cosman Family Cemetery |
| Cottage Farm |
| Cottage in the Pines |
| Cottage Lawn |
| Cottage Row Historic District |
| Cottages at Central Point |
| Coulter Cottage |
| County and City Hall |
| Courier Building, The |
| Court Street Bridge |
| Covewood Lodge |
| Cox Building |
| Coykendall Lodge |
| Cragsmoor Historic District |
| Crandall Farm Complex |
| Crandall Marine Railway |
| Crandell Theatre |
| Craver Farmstead |
| Creek Meeting House and Friends' Cemetery |
| Crescent Corset Company |
| Crest, The |
| Croghan Island Mill |
| Cronkite, Jeremiah, House |
| Crooked Lake Outlet Historic District |
| Crossover Island Light Station |
| Croswell-Parsons Paper Mill Ruin |
| Crotona Play Center |
| Croton Aqueduct, Old |
| Croton North Railroad Station |
| Crouse College, Syracuse University |
| Crouse, Jacob, Inn |
| Crowell House |
| Crowell, J. B., and Son Brick Mould Mill Complex |
| Crown Point Green Historic District |
| Crum Elbow Meeting House and Cemetery |
| Cuba Cemetery |
| CULLODEN, H.M.S., Shipwreck Site |
| Cure Cottage at 43 Forest Hill Avenue |
| Curtis-Crumb Farm |
| Curtiss, Harlow C., Building |
| Customs House |
| Cuyler Presbyterian Church |
| Cyclone Roller Coaster |
| Cypress Hills National Cemetery |
| Daily News Building |
| Daisy Flour Mill, Inc. |
| Dale Cemetery |
| Dansville Downtown Historic District |
| Davenport Library |
| Davis, Charles Homer, House |
| Davis Field |
| Davis, Phineas, Farmstead |
| Davis Town Meeting House |
| DAY PECKINPAUGH, (canal motorship) |
| Dayton-Williams House |
| Deansboro Railroad Station |
| Debar Pond Lodge |
| Decker, Johannes, Farm |
| Defreest Homestead |
| Deke House |
| Delamater-Bevin Mansion |
| Delaney Hotel |
| Delaware and Hudson Canal |
| Delaware and Hudson Passenger Station |
| Delaware and Hudson Railroad Bridge |
| Delaware and Hudson Railroad Company Building |
| Delaware and Hudson Railroad Passenger Station |
| Delaware and Northern Railroad Station |
| Delaware Avenue Historic District |
| Delaware County Courthouse Square District |
| Delaware & Hudson Railroad Depot |
| Delaware, Lackawanna & Western Railroad Station |
| Dellemont-Wemple Farm |
| Delphi Baptist Church |
| Delphi Village School |
| Dennis-Newton House |
| Denny Cottage |
| Denton Homestead |
| Depew High School |
Data from United States Park Service and Wikidata
