All - Architectural style - Spanish Colonial Revival architecture
| Los Angeles Union Passenger Terminal |
| Luna Theater |
| Lyons Station |
| Maeser School |
| Main Office of the New Castle Leather Company |
| Malabar Branch |
| Marine Corps Recruit Depot Historic District |
| Marven Gardens Historic District |
| Mary Jane Colter Buildings (Hopi House, The Lookout, Hermit's Rest, and the Desert View Watchtower) |
| Mary Louise Court |
| Marysville Union Pacific Depot |
| May Realty Building |
| McKinley Park School |
| McNeill, W.A., House |
| Megginson, Ernest, House |
| Merced Theatre |
| Merrill, Charles W., House |
| Methodist Episcopal Church |
| Miller, L. D., Funeral Home |
| Million Dollar Theater |
| Millpond Plantation |
| Milpitas Ranchhouse |
| Milton-Myers American Legion Post No. 65 |
| Mission Brewery |
| Mission Court |
| Mission Inn |
| Missouri, Kansas and Texas Railroad Depot |
| Monastery of the Precious Blood |
| Monroe City Hall |
| Montezuma Hotel |
| Morgan Mansion |
| Morrison, James Arthur, House |
| Mount Rose Elementary School |
| Muckenthaler House |
| Murphy High School |
| NAN Ranch |
| Naval Training Station |
| Nevada-California-Oregon Railway Co. General Office Building |
| Nichols, Mary Lee, School |
| Nick's Hamburger Shop |
| Norris House |
| Northern Pacific Railway Depot |
| Northup Theater |
| Oates Building |
| Odd Fellows Temple |
| Ohrt, Frederick, House |
| Old Muhlenberg County Jail |
| Old Post Office |
| Old Wythe Historic District |
| Orange Grove Court |
| Ormond Fire House |
| Our Lady of the Blessed Sacrament Church |
| Our Lady of the Wayside |
| Padua Hills Theatre |
| Palace of the Governors |
| Palace Theatre |
| Paramount Theater |
| Paramount Theatre Building |
| Park Motel |
| Pasadena Playhouse |
| Paterson, J. E., House |
| Paull, Harry and Louisiana Beall, Mansion |
| Peck Bros. and Bartle Tire Service Company Building |
| Pelham Picture House |
| Petersen, W. D., Memorial Music Pavillion |
| Philippi B & O Railroad Station |
| Phoenix Indian School Historic District |
| Phoenix Motor Company |
| Pike, Albert, Hotel |
| Pima County Courthouse |
| Pinal Ranger Station |
| Plaza Theatre |
| Poinsetta Apartments |
| Poncan Theatre |
| Ponce de Leon Apartment Building |
| Powerhouse, The |
| Princeton Chapter House |
| Puerto Rico Ilustrado-Edificio El Mundo |
| Pythian Castle Lodge |
| Ralphs Grocery Store |
| Rancho Camulos |
| Rancho Joaquina House |
| Randolph Field Historic District |
| Rawls Hotel |
| Reuter, Louis and Mathilde, House |
| Rispin Mansion |
| Rittenhouse Elementary School |
| Riverside Baptist Church |
| RKO Keith's Theater |
| Rockwell Field |
| Rose Court |
| Royal Laundry Complex |
| Russell Theatre |
| Russian Hill-Macondray Lane District |
| Rye Town Park-Bathing Complex and Oakland Beach |
| Sacred Heart Cathedral |
| Sacred Heart Catholic Church |
| Saint Joseph Church and Shrine |
| Sandpoint Federal Building |
| San Jose Church |
Data from United States Park Service and Wikidata
