Classified for credit

Guided dark-sky stargazing tours in the Colorado Rockies — covers observational astronomy, telescope use, and light pollution concepts.

Riparian nature preserve along the Colorado River corridor — supports bird observation, riparian ecology, and high-desert biology.

Federal wildlife refuge in the San Luis Valley — high-desert wetland ecology, migratory waterfowl biology, and Rocky Mountain geography.

Science center at Colorado College offering hands-on STEM exhibits covering physics, chemistry, and earth science.

State wildlife area centered on a reservoir lake — bird ecology, wetland biology, and wildlife observation with a staffed nature center.

Front Range reservoir state park and Important Bird Area — covers migratory bird ecology, wetland biology, and Colorado plains habitat.

Jefferson County reservoir park with trails, wetlands, and wildlife habitat — supports ecology, geography, and outdoor physical education.

City-operated nature center with trails and native habitat exhibits — covers Front Range ecology, wildlife identification, and riparian biology.

High-altitude alpine botanical garden with labeled native and alpine plant collections — supports botany, plant adaptation, and mountain ecology.

Museum documenting African American cowboys and Black settlers of the American West — covers underrepresented Western history and post-Civil War migration.

Urban nature center with wetlands, trails, and bird habitat — covers Front Range ecology, watershed biology, and urban conservation in Denver.

Preserved 1860s pioneer homestead site on the Santa Fe Trail — covers westward expansion, Plains settlement, and 19th-century frontier life.

Colorado wildlife sanctuary housing lions and large exotic animals — supports zoology, animal behavior, and wildlife conservation discussions.

Contemporary art museum with rotating public exhibitions — visual art analysis, art criticism, and 20th–21st century art movements.

Colorado state park on Boyd Lake — aquatic ecology, riparian habitat, and outdoor recreation along the Front Range.

Farm animal sanctuary offering direct-contact animal care lessons covering livestock biology, ethics, and humane stewardship.

Remote northwestern Colorado refuge along the Green River supporting migratory birds and diverse mammals — covers riparian ecology and wildlife biology.

Pueblo children's museum with interactive exhibits — early literacy, basic science concepts, and creative arts for elementary-age learners.

Front Range canyon state park with exposed geological formations and riparian habitat — covers Colorado geology, erosion, and prairie-to-forest ecological transition zones.

Colorado Front Range state park visitor center covering canyon geology, fire ecology, and native plant and wildlife biology.

Historic DU observatory with a 20-inch refractor telescope open for public viewing programs — covers astronomy, optics, and observational science.

Outdoor sculpture park featuring monumental Zimbabwean stone sculptures in a landscaped setting — introduces traditional Shona art forms in a natural environment.

Large reservoir state park with ranger programs covering riparian ecology, wildlife habitat, and Colorado Front Range geography.

Single-artist museum dedicated to abstract expressionist Clyfford Still — covers 20th-century American art movements and color theory.