Montana - Constructed - 1920–1929
| Bad Route Creek Bridge |
| Beall Park Community Center |
| Bethany Lutheran Church |
| Bookman, J. A., General Store |
| Cammock's Hotel |
| Cathedral of Saint Helena |
| Cattle Queen Snowshoe Cabin |
| Chadwick House |
| Fish Creek Bay Boathouse |
| Ford Creek Patrol Cabin |
| Forkenbrock Funeral Home |
| Garfield School |
| Great Northern Railway Passenger and Freight Depot and Division Office |
| Harrison Lake Patrol Cabin |
| Hornet Lookout |
| Hotel Baxter |
| Kishenehn Ranger Station Historic District |
| Kootenai Creek Snowshoe Cabin |
| Kruse, Billy, Cabin |
| Lee Creek Snowshoe Cabin |
| Lower Nyack Snowshoe Cabin |
| Lower Park Creek Patrol Cabin |
| Mount Brown Fire Lookout |
| Rahrer, Francis, House |
| Red Lodge Communal Mausoleum |
| Ryan's, John, House |
| Shelby Town Hall |
| Sherburne Ranger Station Historic District |
| Taylor, Ray E., House |
| Toston Bridge |
| Two Medicine Campground Camptender's Cabin |
| Upper Logging Lake Snowshoe Cabin |
| Upper Nyack Snowshoe Cabin |
| Upper Park Creek Patrol Cabin |
| Walsh's, Johnnie, Guest Lodge |
| Wilma Theatre |
Data from United States Park Service and Wikidata