Colorado - Area of significance: Exploration/Settlement
| Animas Forks |
| Argentum Mining Camp |
| Baca House and Outbuilding |
| Baker House |
| Barger Gulch Locality B |
| Baugh, James H., House |
| Beaver Creek Massacre Site |
| Bee Farm |
| Bent's Old Fort National Historic Site |
| Bingham Homestead Rural Historic Landscape |
| Boggsville |
| Bowles-Cooley House |
| Bowles House |
| Bradford, Robert Boyles, Property |
| Breckenridge Historic District |
| Burgess House |
| Butler House |
| Callahan, Matthew, Log Cabin |
| Canon Pintado |
| Castle Park Archeological District |
| Chambers Ranch |
| Chance Gulch Site |
| Cherokee Ranch |
| Cheyenne County Courthouse |
| Church of St. Philip-in-the-Field and Bear Canon Cemetery |
| Cleora Cemetery |
| Colorado Millennial Site |
| Columbine |
| Como Cemetery |
| Corbin, E.W., House |
| Cozens Ranch House |
| Cripple Creek Historic District |
| Crissey, Herbert and Edith, House |
| Dearfield |
| De Beque House |
| Denver, Boulder and Western Railway Historic District |
| Downtown Boulder Historic District |
| Doyle Settlement |
| East Side Historic District |
| Edgemont |
| Eldora Historic District |
| Elkhorn Lodge |
| El Pueblo |
| Escalante Ruin |
| Flowers, Jacob and Elizabeth, House |
| Fort Garland |
| Fort Vasquez |
| Foster House Stage Station and Hotel Site |
| Francisco Plaza |
| Franktown Cave |
| Georgetown-Silver Plume Historic District |
| Gimlett/LeFevre Cabin |
| Golden Cemetery |
| Gold Hill Historic District |
| Gray, Garret and Julia, Cottage |
| Greenwood Cemetery |
| Gully Homestead |
| Gunnison Tunnel |
| Haxby House |
| Hildebrande Ranch |
| Hollemon-Smith Homestead and Ranch |
| Holly SS Ranch Barn |
| Holzwarth Historic District |
| Hotchkiss Homestead |
| Indian Camp Ranch Archeological District |
| Jamestown Mercantile Building |
| Julien, Denis, Inscription |
| Kauffman House |
| Kennicott Cabin |
| Leadville Historic District |
| Littlejohn Mine Complex |
| Livermore Hotel and General Store |
| MacGregor Ranch |
| Masonic Placer Cemetery-Valley Brook Cemetery |
| Meeker Historic District |
| Montoya Ranch |
| Morrison Historic District |
| Nettleton-Mead House |
| Niblock-Yacovetta Terrace |
| Park County Courthouse and Jail |
| Parry, William D., House |
| Paulsen Farm |
| Peck House |
| Peterson House |
| Petticrew Stage Stop |
| Pikes Peak |
| Pike's Stockade |
| Plaza de San Luis de la Culebra |
| Powell and Blair Stone Ranch |
| Redstone Historic District |
| Rock Creek Farm Rural Historic District |
| Roselawn Cemetery |
| Rourke Ranch Historic District |
| Salina School |
| Sandstone Ranch |
| Santa Fe Trail Mountain Route Trail Segment-Delhi Vicinity I |
| Santa Fe Trail Mountain Route Trail Segment-Delhi Vicinity II |
| Santa Fe Trail Mountain Route Trail Segment-Delhi Vicinity III |
| Santa Fe Trail Mountain Route Trail Segments-Bloom Vicinity |
| Santa Fe Trail Mountain Route Trail Segments-Iron Springs Vicinity |
Data from United States Park Service and Wikidata
