Classified for credit

Public observatory in Worcester offering telescope viewing and astronomy programming — covers observational astronomy and celestial navigation.

Marine science center on the Mendocino coast with exhibits on local ocean ecosystems — covers marine biology, coastal ecology, and conservation science.

Outdoor butterfly garden with live specimens — covers insect life cycles, pollinator ecology, and entomology.

Licensed wildlife rehabilitation center with education programs — covers native species biology, injury causes, and conservation ecology.

STEM education center focused on aerospace concepts and applied mathematics — supports physics, engineering, and quantitative reasoning curriculum.

Natural history and geology museum in Caribou, ME with fossil and mineral collections — covers paleontology, mineralogy, and regional natural history.

College-operated planetarium with public shows — covers astronomy, stellar mechanics, and the night sky.

Municipal conservatory with greenhouse collections supporting plant biology, horticulture, and botany for hands-on nature study.

Florida fish hatchery with raceways and production ponds — covers applied aquaculture, freshwater fish biology, and state wildlife management.

Licensed wildlife rehabilitation center offering education programs on native Illinois wildlife biology and animal care.

Community college observatory offering public viewing nights — covers telescope mechanics, stellar classification, and observational astronomy.

Community observatory in Tallahassee — supports observational astronomy, optics, and introductory astrophysics for public and school groups.

Public observatory in Lawrence Township offering stargazing and astronomy programs — covers celestial mechanics and optics.

College-affiliated observatory and planetarium open to the public — covers observational astronomy, optics, and celestial mechanics.

NAU observatory complex in Flagstaff's dark-sky zone — astronomy and astrophysics using research-grade telescopes with public viewing programs.

Historic 19th-century observatory on Mount Ida with working telescopes — covers observational astronomy, telescope optics, and the history of American astronomy.

Inn with an on-site observatory offering public stargazing — covers basic astronomy, telescope optics, and dark-sky observation in the Methow Valley.

Public observatory in a dark-sky-friendly park setting — supports telescope optics, celestial navigation, and observational astronomy for self-guided or scheduled viewing.

Denver city park featuring a historic observatory with public telescope viewing programs — covers astronomical observation, optics history, and Denver's scientific heritage.

Public observatory in a dark-sky park setting — covers telescope optics, celestial navigation, and observational astronomy.

Public observatory in Ogden, UT — covers astronomy, telescope optics, and celestial mechanics through public viewing programs.

Public rooftop observatory in Chattanooga — introduces telescope optics, celestial navigation, and observational astronomy.

Regional aquarium with live marine and freshwater exhibits — applied marine biology, fish taxonomy, and aquatic ecosystem study.

Small local aquarium in a retail center with live marine and freshwater displays — covers basic fish taxonomy, aquatic adaptations, and marine ecosystem concepts.