Classified for credit

NPS-affiliated visitor center interpreting the largest concentration of Ancestral Puebloan archaeological sites in the U.S. — covers pre-Columbian history and Southwest archaeology.

Commercial cave tour in the Pikes Peak foothills covering geology, cave formation, stalactites/stalagmites, and karst hydrology.

Living-history village spanning 1860s–1920s Colorado — covers pioneer settlement, social history, and period trades.

Challenger Learning Center offering simulated space missions — hands-on curriculum in astronautics, orbital mechanics, teamwork, and mission planning.

State park at the confluence of the Platte River and Chatfield Reservoir with ranger programs — riparian ecology, migratory bird study, and Colorado geology.

Front Range state park adjacent to Cheyenne Mountain with diverse trails — covers Rocky Mountain ecology, geology, and wildlife biology.

Geothermal-fed reptile park with alligators and other reptile species — covers herpetology, thermoregulation, and the unusual geothermal ecosystem of the San Luis Valley.

National monument featuring deep canyons and 70-million-year-old red-rock formations — covers geological history, erosion, and Colorado Plateau geography.

Outdoor railroad museum with 100+ historic locomotives and cars — covers railroad history, steam and diesel engineering, and the role of rail in Western expansion.

Guided tours of resident wolves, foxes, and coyotes cover predator ecology, pack behavior, and wildlife conservation biology.

Free brewery tour at the Coors Golden facility — covers fermentation biology, large-scale food production, and water chemistry.

Underground hard-rock mine tour in a historic silver-mining district — covers mining geology, ore extraction methods, and Colorado mining history.

Living-history orchard and farm site depicting early 20th-century Colorado agricultural practices, irrigation, and rural community life.

University of Colorado hands-on science education center with interactive STEM exhibits and programs for K–12 learners.

NPS recreation area on Blue Mesa Reservoir with boating, hiking, and geology exhibits — covers watershed ecology, glacial geology, and Western geography.

Major urban botanic garden with 24 themed gardens covering plant taxonomy, ethnobotany, and global plant geography across 24 acres.

Working farm and botanic garden outside Denver with seasonal crops, native plants, and ecology programs covering plant biology and sustainable agriculture.

Dinosaur tracksite and fossil ridge with visitor center — paleontology, stratigraphy, and Cretaceous-era geology in situ.

Downtown aquarium with large freshwater and marine exhibits — fish biology, aquatic food webs, and water ecosystem science.

Air and space museum on Peterson SFB with aircraft and spacecraft artifacts — covers aerospace engineering, flight history, and US Space Force mission.

Colorado state park with dramatic sandstone canyon walls supporting geology, rock-climbing, and Front Range ecology study.

Elephant exhibit at Denver Zoo — covers pachyderm biology, elephant conservation programs, and African/Asian habitat ecology.

Gateway town to Rocky Mountain National Park — serves as base for ecology, geology, and Rocky Mountain geography field study.

National Monument preserving 34-million-year-old fossil beds — covers paleontology, stratigraphy, and volcanic geology through ranger programs and fossil walks.