Classified for credit

Jefferson County open-space park in the Front Range foothills — covers Colorado Piedmont ecology, trail navigation, and outdoor fitness.

Short-grass prairie conservation center with visitor exhibits covering Great Plains ecology, bison history, Native land use, and grassland biology.

Primate exhibit at Denver Zoo — covers primate behavior, comparative anatomy, and conservation biology for great apes and monkeys.

Colorado state park in the Uncompahgre Valley with reservoir, wetlands, and mountain views — covers ecology, geology, hydrology, and physical education.

Colorado state park centered on a reservoir in canyon country — geology, semi-arid ecology, water resource management, and outdoor field observation.

National wildlife refuge on a former Cold War nuclear weapons plant site — prairie ecology, remediation science, and environmental history.

Wildlife refuge on the former Rocky Flats nuclear weapons plant site — covers ecological restoration, prairie biology, and environmental remediation history.

Small Colorado wildlife park featuring native Rocky Mountain species — covers regional mammal and raptor biology, wildlife rehabilitation, and high-altitude ecosystems.

State wildlife area in the San Luis Valley supporting bird ecology, wetland biology, and wildlife observation fieldwork.

Gondola ride over Cheyenne Mountain Zoo grounds — supplements zoo visit with geographic perspective on Rocky Mountain habitat zones.

Urban nature park with staffed nature center on the South Platte River — covers riparian ecology, bird identification, and local watershed biology.

High-altitude Colorado state park on the South Platte River — supports cold-water fishery ecology, riparian biology, and mountain geography.

Colorado state park along the St. Vrain Creek with wetland and riparian habitat — supports Front Range ecology, bird identification, and water-cycle curriculum.

City reservoir nature center offering programming on local wildlife, wetland ecology, and Colorado native species identification.

Regional park and wildlife refuge around a reservoir — waterfowl habitat, raptor observation, and Front Range ecology.

Visitor and nature center at the gateway to Cheyenne Canyon — features ranger programs on Pikes Peak region ecology, geology, and native species.

Colorado high-altitude state forest park with camping, wildlife, and ranger programs — covers montane ecology, wildlife biology, and Rocky Mountain geography.

High-altitude Colorado state park with reservoir — covers Rocky Mountain ecology, watershed geography, and outdoor recreation science.

Western Colorado state park with a freshwater lake and riparian habitat — supports aquatic ecology, bird study, and outdoor PE.

Community botanical garden with demonstration beds and native plant collections — covers plant biology, horticulture, and regional ecology.

Nature education center near Florissant Fossil Beds offering ecology and geology programs in Colorado's Pikes Peak region.

Colorado state park with lake and mountain terrain — covers high-plains ecology, geology, and outdoor biology near the Purgatoire River valley.

Urban national wildlife refuge in the Denver metro providing grassland and wetland habitat — supports migratory bird ecology and urban conservation.

Reservoir state park on the Grand Mesa featuring fishing, hiking, and high-desert riparian ecology — supports Colorado plateau geography and biology.