Classified for credit

Hiwan Homestead Museum in Evergreen, CO — 19th-century mountain ranch life and Western architecture.

Early 20th-century Colorado dude ranch site inside Rocky Mountain National Park — pioneer homestead life and Western settlement history.

Preserved Colorado silver-mining ghost town from the 1880s — mining boom-and-bust history, westward expansion, and Rocky Mountain settlement.

Colorado plains reservoir state park with fishing, birding, and shoreline habitats — supports ecology, Great Plains geography, and outdoor biology.

Colorado River corridor state park with riparian habitat trails — covers river ecology, geology, and Western watershed geography.

Colorado River island state park section with riparian habitat and river access — supports river ecology, migratory bird observation, and Colorado Plateau geography.

Arkansas River reservoir state park on the Colorado high plains — covers semi-arid riparian ecology, migratory bird habitat, and Great Plains hydrology.

Outdoor play campus attached to Denver Children's Museum — hands-on early learning in literacy, numeracy, and basic science concepts.

Nature and birding area within Chatfield State Park focusing on riparian habitat — covers Colorado Front Range ecology, bird identification, and watershed biology.

Boulder County nature center in Lafayette — Front Range ecology and naturalist programs.

Jefferson County Open Space park along Bear Creek with riparian trail system covering Front Range ecology, wildlife habitat, and watershed biology.

Colorado state park with two fishing lakes and high-plains habitat — covers semi-arid ecology, migratory bird observation, and physical geography.

Small petting zoo with farm and domestic animals supporting introductory zoology, animal care, and life-science concepts for young learners.

Public observatory offering telescope viewing and astronomy programs — covers stellar mechanics, planetary science, and observational astronomy.

Regional museum covering Longmont and Boulder County history with rotating exhibits — supports local history, social studies, and Colorado heritage.

Jefferson County open-space preserve with nature center and interpretive trails — foothills ecology, native plant identification, and wildlife biology.

Jefferson County Open Space park in the Front Range foothills — covers montane ecology, geology, and Colorado geography with developed trails.

Colorado Front Range state park with ranger programs — covers foothills ecology, wildlife identification, and physical geography.

College-based archaeology museum displaying artifacts from Trinidad's Purgatoire River valley — covers Southwestern prehistory and archaeological method.

Ancestral Puebloan great house ruin (ca. 1060–1120 CE) managed by BLM, covering pre-Columbian archaeology and Southwest Native history.

Farm animal sanctuary in Erie, CO — supports animal welfare ethics, domestic animal biology, and compassionate stewardship concepts for younger students.

Hands-on STEM enrichment program delivering structured science experiments in chemistry, physics, and engineering for school-age children.

Public observatory near Fort Collins — covers optical astronomy, telescope mechanics, and celestial observation with guided viewing sessions.

Gallery and miniature cityscape sculptures by Michael Garman — covers fine-art sculpting technique and urban realism as an art form.