Colorado - Role: District
| Alpine Tunnel Historic District |
| American Federation of Human Rights Headquarters |
| Anasazi Archeological District |
| Animas Forks |
| Arapahoe Acres |
| Arapaho Hills |
| Argo Tunnel and Mill |
| Arrowhead Lodge |
| Artesia Farm |
| Arvada Downtown |
| Auraria 9th Street Historic District |
| Baca Land Grant No. 4-Baca Ranch Rural Historic Landscape |
| Bachelor-Commodore Mine Complex |
| Baldpate Inn |
| Ball, Elmer and Etta, Ranch |
| Baugh, James H., House |
| Bear Canon Agricultural District |
| Bear Creek Canyon Scenic Mountain Drive |
| Beckwith Ranch |
| Bee Farm |
| Behrman Ranch |
| Bent's Old Fort National Historic Site |
| Bergen Park |
| Berkeley Lake Park |
| Bingham Homestead Rural Historic Landscape |
| Boggsville |
| Boulder County Poor Farm |
| Boulder Crescent Place Historic District |
| Brannan Sand and Gravel Pit #8-Lake Sangraco Boathouse Complex |
| Breckenridge Historic District |
| Bromley Farm-Koizuma Hishinuma Farm |
| Buckhorn Ranger Station Historic District |
| Buckley Ranch |
| Burro Mine Complex |
| Butler House |
| Byers Peak Ranch |
| Calamity Camp |
| Calhan Paint Mines Archeological District |
| Camp George West Historic District |
| Canon City Downtown Historic District |
| Canon Pintado |
| Carlton House |
| Cascade Cottages |
| Castle Park Archeological District |
| Central City-Black Hawk Historic District |
| Chapin Mesa Village Historic District |
| Cheesman Park |
| Cherokee Ranch |
| Chew, Rial, Ranch Complex |
| Churches Ranch |
| City Park |
| City Park Golf |
| Civic Center Historic District |
| Clayton, George W., Trust and College |
| Cokedale Historic District |
| Cole Neighborhood Historic District |
| Colorado Chautauqua |
| Colorado Millennial Site |
| Colorado National Monument Visitor Center Complex |
| Colorado Springs Airport |
| Colorado Springs and Cripple Creek District Railway-Corley Mountain Highway |
| Colorado State Forest Building Complex |
| Colorado Woman's College |
| Colorow Point Park |
| Columbia Cemetery |
| Columbine |
| Comanche Drive-In |
| Como Cemetery |
| Corazon de Trinidad |
| Corwina Park, O'Fallon Park, Pence Park |
| Country Club Historic District |
| Craig, Katherine, Park |
| Creede Branch, Denver and Rio Grande Railroad |
| Crescent Moly Mine No. 100 and Mining Camp |
| Cripple Creek Historic District |
| Cross Land and Fruit Company Orchards and Ranch |
| Crown Hill Burial Park |
| Curecanti Archeological District |
| Curtis-Champa Streets District |
| Daniels Park |
| Dawson-Carpenter Ranch |
| Dearfield |
| Dedisse Park |
| Denver, Boulder and Western Railway Historic District |
| Denver Medical Depot |
| Denver, Northwestern and Pacific Railway Historic District |
| Denver & Rio Grande Railroad San Juan Extension |
| Denver Veterans Administration Medical Center |
| Department of Energy Grand Junction Office |
| Derry Mining Site Camp |
| Deza Estates |
| Downtown Boulder Historic District |
| Downtown Florence Historic District |
| Downtown Longmont Historic District |
| Downtown Loveland Historic District |
| Downtown Sterling Historic District |
| Drennan School |
| Durango-Silverton Narrow-Gauge Railroad |
| East Side Historic District |
| East Third Avenue Historic Residential District |
Data from United States Park Service and Wikidata
