New York - Area of significance: Architecture
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street School |
| Main Street Subway Station (Dual System IRT) |
| Maizefield |
| Major's Inn and Gilbert Block |
| Mallory Mill |
| Mallows, The |
| Malone Armory |
| Malone Downtown Historic District |
| Malone Freight Depot |
| Malone Residential Historic District |
| Maloney House |
| Mamakating Park Historic District |
| Mamaroneck Methodist Church |
| Mandel, Richard H., House |
| Mandeville House |
| Manhanset Chapel |
| Manhasset Monthly Meeting of the Society of Friends |
| Manhattan Avenue-West 120th-123rd Streets Historic District |
| Manhattan Beach Jewish Center |
| Manhattan Bridge |
| Manhattan Company Building |
| Manhattanville Houses |
| Manion's General Store |
| Manitoga |
| Manlius Village Historic District |
| Mann, Andrew, Inn |
| Mann, Donald, House |
| Mann, Horace, School |
| Manny, Anthony, House |
| Manor Club |
| Mansakenning |
| Mansion Historic District |
| Mapes, Mortimer L., House & Seward Homestead |
| Maple Avenue Historic District |
| Maple Grove |
| Maple Grove Cemetery |
| Maple Lawn |
| Maple Lawn Farm |
| Maples, The |
| Maples, The |
| Maple Street Historic District |
| Mapleton |
| Maplewood Historic District |
| Mappa Hall |
| Marble Collegiate Reformed Church |
| Marble Schoolhouse |
| Marcella Sembrich Opera Museum |
| Mariaville Historic District |
| Marine Air Terminal |
| Mariner's Temple |
| Market House |
| Market Street Historic District |
| Market Street Historic District |
| Market Street Historic District |
| Market Street Historic District |
| Market Street Row |
| Markham Cobblestone Farmhouse and Barn Complex |
| Markle, Jacob F., Stone House |
| Marlborough Building |
| Marquardt Farm |
| Marquay Cottage |
| Marshall House |
| Marshall House |
| Marshall, James G., House |
| Marshall, Paul, House |
| Marshall & Son Warehouse |
| Marsh-Link-Pollock Farm |
| Martin, Darwin D., House |
| Martin, D. D., House Complex |
| Martin Farm Complex |
| Martin-Fitch House & Asa Fitch, Jr. Laboratory |
| Martin, Gen. Walter, House |
| Martin, Hendrick, House |
| Martinsburg Common School District #4 |
| Martinsburg Town Hall |
| Martisco Station |
| Marvin Cottage |
| Mason, George G., House |
| Masonic Temple-Newport Lodge No. 445 F. & A.M. |
| Masten-Quinn House |
| Master Building |
| Masterton-Dusenberry House |
| Masury Estate Ballroom |
| Mathewson-Bice Farmhouse and Mathewson Family Cemetery |
| Mathewson, Holden B., House |
Data from United States Park Service and Wikidata