Montana - Area of significance: Community Planning
| Adams Block |
| Allison-Reinkeh House |
| Alpine Apartments |
| Anaconda Commercial Historic District |
| Appleton House No. 13 |
| Armitage, Joshua and Martha, House |
| Barich Block |
| Bartlett, Jack, House |
| Belt Commercial Historic District |
| Big Arm School |
| Blackmore Apartments |
| Blewett, John, House |
| Bon Ton Historic District |
| Brice Apartments |
| Broadwater, Charles A., House |
| Carnegie Public Library |
| Carriage House Historic District |
| City Water Department |
| Courthouse Historic District |
| Donovan-Mayer House |
| East Pine Street Historic District |
| East Side Historic District |
| East Side Neighborhood Historic District |
| Erb, Abraham and Carrie, House |
| First National Bank of Geraldine |
| Fisk, Robert and Elizabeth, House |
| Forsyth Water Pumping Station |
| Fromberg High School |
| Gamble-Robinson Company Warehouse |
| Garnet Historic District |
| Gilpatrick-Root House |
| Glacier County Courthouse |
| Glendive City Water Filtration Plant |
| Goosetown Historic District |
| Granite Apartments |
| Great Falls Central Business Historic District |
| Great Falls Northside Residential Historic District |
| Hamilton Town Hall |
| Havre Residential Historic District |
| Hawthorne Grade School |
| Helena Railroad Depot Historic District |
| Higgins Block |
| Hogeland, Abraham and Mary Walton, House |
| Hotel Baxter |
| Huseby, John H,. House |
| Judith Place Historic District |
| Knowles Building |
| Lake McDonald Lodge Coffee Shop |
| Lewis, Samuel, House |
| Lodge Grass City Jail |
| Lodge Grass Merchandise Company Store |
| Logan Pass Visitor Center |
| Longfellow Grade School |
| Lorraine Apartments |
| Lower Rattlesnake Historic District |
| Lyman-Neel Residence |
| Madison Grade School |
| Methodist Episcopal Church |
| Milwaukee Road Historic District |
| Modern Hotel |
| Monarch Depot Historic District |
| Montana State University Historic District |
| Mount Helena Historic District |
| Mrs. Lydia McCaffery's Furnished Rooms |
| New Brunswick House, The |
| North Elevation Historic District |
| Northern Montana State Fairground Historic District |
| Northern Pacific Railway Depot |
| Northside School |
| Pine Apartments |
| Pioneer Park |
| Pope, Francis and Hannah, House |
| Ramsay Historic District |
| Reed and Bowles Trading Post |
| Reid House |
| Reno Apartments |
| Robworth Apartments |
| Roundup Central School |
| Rundle Building |
| Ruth, Harold and Marion, House |
| Ryan's, John, House |
| Saint Mary Visitor Center, Entrance Station and Checking Stations |
| Sanders County Jail |
| Sheehan Boardinghouse |
| Shore, Thomas and Beulah, House |
| Simons Block |
| Slayton Mercantile Co. |
| Snell, Walrond and Elizabeth, House |
| Symes Hotel |
| Target Range Elementary School |
| Tenth Street Bridge |
| Teton County Courthouse |
| Three Valleys State Bank |
| Troy Jail |
| University Area Historic District |
| University Heights Historic District |
| West Side Historic District |
| Wold Barn |
| Yegen, Christian, House |
Data from United States Park Service and Wikidata