Montana - Significance region: National
| Administration Building |
| Alice Creek Historic District |
| Alta Ranger Station |
| Anaconda Copper Mining Company Smoke Stack |
| Babb-Piegan, Montana, Inspection Station |
| Bad Pass Trail |
| Bannack Historic District |
| Beaverhead Rock-Lewis and Clark Expedition |
| Big Creek Lake Site |
| Big Hole National Battlefield |
| Boulder Hot Springs Hotel |
| Bull River Guard Station |
| Butte-Anaconda Historic District |
| Camp Disappointment |
| Camp Four |
| Canyon Creek Laboratory of the U.S. Public Health Service |
| Chief Joseph Battleground of the Bear's Paw |
| Chief Plenty Coups (Alek-Chea-Ahoosh) House |
| Citadel Rock |
| Clark's Lookout, August 13, 1805 |
| Clark, W. A., Mansion |
| Employee's Hotel and Garage |
| Everson Creek Archaeological District |
| Fort Assinniboine |
| Fort Benton |
| Fort Logan and Blockhouse |
| Fort Owen |
| Fort Peck Agency |
| Fort Peck Dam |
| Fort Peck Original Houses Historic District |
| Garage and Fire Station |
| Going-to-the-Sun Road |
| Grant-Kohrs Ranch National Historic Site |
| Great Falls Portage |
| Great Northern Railway Buildings |
| Hagen Site |
| Helena Historic District |
| Hospital |
| Kluge House |
| Lake McDonald Lodge |
| Lamarche Game Trap |
| Little Bighorn Battlefield National Monument |
| Lost Horse Fireman's Cabin (24RA197) |
| MacHaffie Site (24JF4) |
| Madison Buffalo Jump State Monument |
| Mann Gulch Wildfire Historic District |
| Mullan Road |
| Northeast Entrance Station |
| North Entrance Road Historic District |
| Pictograph Cave |
| Pompey's Pillar |
| Pretty Creek Archeological Site |
| Rankin Ranch |
| Recreation Hall |
| Red Lodge-Cooke City Approach Road Historic District |
| Rock Creek Guard Station (24GN165) |
| Rocky Mountain Laboratory Historic District |
| Rosebud Battlefield-Where the Girl Saved Her Brother |
| Russell, Charles M., House and Studio |
| School |
| Socialist Hall |
| South Willson Historic District |
| St. Ignatius Mission |
| St. Joseph's Hospital |
| St. Mary's Church and Pharmacy |
| Three Forks of the Missouri |
| Tower Rock |
| Traveler's Rest |
| Two Medicine Fight Site |
| Virginia City Historic District |
| Western Clay Manufacturing Company |
| Wheeler, Burton K., House |
| Wilma Theatre |
| Wolf Mountains Battlefield-Where Big Crow walked Back and Forth |
| Yellowstone Bighorn Research Association Camp |
Data from United States Park Service and Wikidata
