Classified for credit

Restored 1848 Danish windmill with guided tours covering wind energy, gear mechanics, and Danish immigrant heritage.

Dark-sky observatory in the NC foothills offering public viewing nights — covers light pollution, stellar classification, and naked-eye astronomy.

Small freshwater and tropical aquarium open to the public — covers fish taxonomy, aquatic ecosystems, and basic principles of aquarium husbandry.

CDC-operated museum on the Atlanta campus covering public health history, epidemiology, and disease prevention science — free admission.

Public school planetarium offering sky shows and astronomy programming — covers celestial mechanics, star identification, and the scale of the solar system.

Gallery dedicated to glass art within the Henry Ford campus — covers materials science, glassblowing techniques, and the chemistry of color in glass.

Community college planetarium offering public astronomy shows — covers celestial mechanics, space science, and observational astronomy.

Northwestern University research observatory with public viewing nights — covers stellar astronomy, optics, and telescope engineering.

Stone observatory atop a Cascade lava field with panoramic volcanic geology views — covers volcanology, plate tectonics, and Cascade Range formation.

Dark-sky astronomy community with public star parties and telescope observing — covers light pollution, celestial navigation, and observational astronomy.

Regional science organization in Delaware offering STEM programming, citizen science, and natural history exhibits for school-age learners.

Delaware's aviation history museum at Georgetown Airport — covers aeronautical engineering principles and the history of flight from WWI to modern aviation.

Historic 1830s science institute with natural history collections and mineral specimens — natural history, earth science, and scientific inquiry.

Community college full-dome digital planetarium with public astronomy shows — covers solar system, stellar evolution, and space science.

Outdoor grounds of the Denver Museum of Nature and Science — complements museum exhibits with geology and natural-history context.

Harvard-Smithsonian Center for Astrophysics — public observatory nights and astronomy lectures.

University-affiliated STEM center in Batesville, AR with hands-on science and mathematics exhibits supporting secondary-level curriculum.

Desert education center covering Mojave/Sonoran ecology, native adaptations, and arid-land geology — applied environmental science curriculum.

Glacially deposited sand desert in coastal Maine — illustrates glacial geology, erosion, soil science, and ecological change through guided tours.

Wildlife rehabilitation center for injured desert animals — applied wildlife biology, native species identification, and Chihuahuan Desert ecology.

Walk-through butterfly garden within Detroit Zoo featuring live specimens and plant-pollinator relationships — entomology and ecosystem biology.

Restored 1900s water-powered grist mill — demonstrates millstone mechanics, fluid power, and 19th-century grain milling technology.

Dinosaur exhibit with fossil casts and interactive displays covering paleontology, prehistoric ecosystems, and geologic time.

Dinosaur-focused museum and gift shop covering paleontology, fossil identification, and prehistoric ecosystems through specimens and exhibits.