Classified for credit

Public planetarium at Antelope Valley College with dome shows on astronomy and space science — covers celestial mechanics, cosmology, and Earth's place in the solar system.

College observatory with public viewing programs — covers astronomy, optics, and celestial mechanics using research-grade telescopes.

Nonprofit wolf sanctuary offering educational tours — covers wolf behavior, pack dynamics, and endangered-species conservation biology.

Campus observatory at Saint John's University with public viewing nights — covers observational astronomy, telescope optics, and celestial mechanics.

Glacially carved potholes and cascading falls on the Deerfield River — covers fluvial geomorphology, erosion, and watershed ecology.

District-run science education center with hands-on STEM exhibits — supports physical science, earth science, and inquiry learning.

Planetarium at Sam Houston State University offering public sky shows — covers astronomy, the solar system, and celestial navigation.

Historic 48-inch Schmidt telescope at Palomar Observatory — covers optics, astrophysics, and the history of photographic sky surveys.

Public observatory with telescopes for optical and radio astronomy — covers celestial mechanics, telescope optics, and observational astronomy.

Certified bird-banding observatory on the Rock River flyway — avian biology, migration ecology, and scientific data-collection methods.

Natural history and ecology center at the base of the Sandia Mountains — covers regional geology, wildlife biology, and mountain ecosystem science.

School-based public planetarium with sky programs — covers astronomy, celestial mechanics, and observational science.

Community museum with a functioning planetarium — covers astronomy, celestial mechanics, and the solar system in a domed projection theater.

Community natural history museum on Monterey Bay covering local marine and terrestrial ecosystems — supports marine biology, paleontology, and California natural history.

Live reptile and insect museum with hands-on exhibits — covers herpetology, entomology, and animal adaptation in a structured display format.

Natural geothermal hot springs on the North Platte River — covers geothermal geology, mineral water chemistry, and Wyoming earth science.

Working hydroelectric dam visitor centre covering electricity generation, fluid dynamics, and civil engineering — note: located in Ontario, Canada.

Planetarium at the University of South Florida Museum of Science and Industry complex — live and digital sky shows covering astronomy and astrophysics.

Museum documenting the Savannah River Site's nuclear weapons and energy production history — covers nuclear physics, Cold War history, and environmental remediation science.

Narragansett Bay conservation organization offering estuary education programs — covers marine ecology, water quality science, and environmental stewardship.

Save The Bay's education center on Narragansett Bay covers estuarine ecology, water quality, marine biology, and local conservation policy through hands-on programs.

Estuary-focused aquarium run by Save The Bay — covers Narragansett Bay marine biology and conservation ecology.

WV wildlife rehabilitation center — covers native species biology, habitat loss, and wildlife conservation through resident animal education programs.

Licensed wildlife hospital and nature center in Coral Springs — covers wildlife rehabilitation, Florida ecology, and animal biology through live animal programs.