Montana - Area of significance: Exploration/Settlement
| Kleinschmidt, T. H., House |
| Kruse, Billy, Cabin |
| LaPierre Barn |
| Lee Homestead |
| Lewis and Clark Camp at Slaughter River |
| Lewistown Central Business Historic District |
| Lewistown Courthouse Historic District |
| Lindley Place Historic District |
| Little Bighorn Battlefield National Monument |
| Lonetree |
| Lower Willow Creek Rural Historic Landscape District |
| Main Street Historic District |
| Main Street Historic District |
| Marcyes, Claude O., House |
| Masonic Building |
| McCall, Tracy, House |
| McCarthy Homestead Cabin |
| McCarthy, Margaret, Homestead |
| McCarthy-Pederson Farm Historic District |
| McCormick Neighborhood Historic District |
| McCrossin, James, Cabin |
| Meadowbrook Stock Farm |
| Medicine Rocks State Park |
| Miles, George M., House |
| Miller, J. K., Homestead |
| Milwaukee Road Historic District |
| Missoula Southside Historic District |
| Morgan-Case Homestead |
| Nelson, Gus, Homestead |
| Northern Pacific Railroad Depot-Fromberg |
| Northern Pacific-Story Mill Historic District |
| Northside Missoula Railroad Historic District |
| North Tracy Avenue Historic District |
| Norton, W. H., House |
| Nutting Rental |
| Pease's, George, Second Store |
| Peterson Place |
| Point of Rocks Historic Transportaion Corridor |
| Pompey's Pillar |
| Pope, Francis and Hannah, House |
| Popham Ranch |
| Porter Flats Apartments |
| Quaw, Thomas, House |
| Raftery, William, Homestead |
| Reed and Bowles Trading Post |
| Reed's Fort Post Office |
| Residential District |
| Ressler, Guy, Homestead House |
| Robbers Roost |
| Rock Creek State Bank |
| Rolfson House |
| Rouse House |
| Ruby Theatre |
| Sacajawea Hotel |
| Sargent, Charles C., House |
| Scherlie, Anna, Homestead Shack |
| Schoenberger, Anton, Homestead |
| Schoenberger, Charlie, Homestead |
| Sharp's, Jay, Store |
| Sherman, Byron R., House |
| Silver City Cemetery |
| Silver Creek School |
| Silver King Ranch |
| Sims-Garfield Ranch |
| Smith, T. W., House |
| Southern Hotel |
| South Tracy-South Black Historic District |
| South Willson Historic District |
| Spalding-Gunn House |
| Spannring, John Otto, Family Farm |
| Stearns Hall |
| Stevens, Dominic, House |
| Stoltz House |
| St. Paul's Episcopal Church |
| St. Wenceslaus Catholic Church |
| Suydam, Hester E., Boarding House |
| Swanson Homestead |
| Temple Emanu-El |
| Thexton Ranch |
| Thorn House |
| Three Forks of the Missouri |
| Tower Rock |
| Traveler's Rest |
| Two Medicine Fight Site |
| Union League of America Hall |
| United Methodist Episcopal Church |
| University Area Historic District |
| Urbach Cabin |
| Vananda Historic District |
| Van Camp-Tash Ranch |
| Vance Lodge |
| Vaughn, Robert, Homestead |
| Virgelle Mercantile and Virgelle State Bank |
| Virginia City Historic District |
| Walsh, Johnnie, Homestead |
| Walsh, Thomas J., Lodge |
| Watkins Creek Ranch |
| West Side Historic District |
| West Side Historic District |
| West Yellowstone Oregon Shortline Terminus Historic District |
Data from United States Park Service and Wikidata
