Classified for credit

University-operated planetarium offering public shows on astronomy, the solar system, and celestial mechanics with a domed projection system.

University research observatory open for public viewing sessions — covers telescope optics, celestial mechanics, and observational astronomy.

NPS interpretive museum inside Sequoia National Park — giant sequoia biology, Sierra Nevada ecology, and park conservation history.

Stetson University mineral and gem museum with one of Florida's largest collections — earth science, mineralogy, crystallography, and geology.

School-district public planetarium in Garland ISD — covers astronomy, celestial mechanics, and the solar system through scheduled dome programs.

Restored 19th-century grist mill in Babcock State Park with operational water wheel — covers milling mechanics, gear ratios, and Appalachian industrial history.

Community observatory with public viewing nights — covers telescope optics, celestial navigation, and observational astronomy.

Small aquarium at a historic NPS park site with native freshwater and aquatic exhibits — supports aquatic biology and local watershed ecology.

Community college planetarium with public dome shows — covers astronomy, celestial mechanics, and the scale of the solar system.

Oklahoma state park featuring selenite crystal-capped mesas — covers evaporite mineralogy, erosion, and Great Plains geology.

University-based public observatory with telescopes and astronomy programming — covers observational astronomy, optics, and astrophysics concepts.

Maryland state fish hatchery and aquatic education center — covers fish biology, aquaculture, and Chesapeake watershed ecology.

Faith-based nature and science exploration center in rural Washington — hands-on natural science activities covering geology, botany, and wildlife.

Public planetarium and observatory at Land Between the Lakes — covers astronomy, celestial mechanics, and dark-sky observation.

Working model railroad museum with large-scale layouts — covers engineering, scale modeling, and the history of rail transport.

Museum documenting NASA's Goldstone Deep Space Communications Complex — covers radio astronomy, telecommunications engineering, and space exploration history.

Historic 1887 observatory on the Carleton College campus with a working 16.2-inch refractor telescope — covers observational astronomy, optics, and telescope mechanics.

Public observatory near Safford, AZ with telescopes for viewing deep-sky objects — covers astronomy, optics, and the electromagnetic spectrum.

Public observatory on Colorado's Grand Mesa — covers optical astronomy, telescope operation, and observational data collection.

Small regional museum with fossil and paleontology exhibits from the Great Plains — covers prehistoric life, geology, and stratigraphy.

Astronomy and space science education center in Westfield, Indiana — covers solar system science, telescope basics, and space exploration concepts.

College-affiliated public observatory with telescope access — covers observational astronomy, optics, and the physics of stellar objects.

University-affiliated science center with hands-on exhibits — covers physics, earth science, and applied mathematics through interactive demonstrations.

Regional archaeology and natural history collections covering Florida's prehistoric peoples, fossils, and ecosystems — applied anthropology and earth science.