Classified for credit

Reptile attraction featuring live snakes, alligators, and lizards — herpetology, reptile taxonomy, and animal adaptations.

Live reptile and exotic animal exhibit at Lake Tobias Wildlife Park — herpetology, animal adaptation, and biodiversity.

Working hydroelectric dam visitor centre covering electricity generation, fluid dynamics, and civil engineering. (Canadian facility.)

Computing-history museum — the technology and social impact of computers from early hardware to today.

State natural-history research organization with public programs — covers Rhode Island biodiversity, field ecology, and scientific survey methods.

University-operated nuclear research reactor with public education programs — covers nuclear physics, radiation safety, and energy science.

State-operated freshwater fish hatchery with raceway tours — applied biology, aquaculture, and Florida freshwater species.

Live-steam model railroad club with operating miniature trains — supports mechanical engineering, scale math, and railroad history through hands-on rides.

Campus science center with hands-on STEM exhibits covering physical and natural sciences for structured curriculum reinforcement.

Visitor center at an active open-pit borax mine — covers industrial mineralogy, desert geology, and large-scale mining operations.

University of Toledo research observatory with public programs covering astrophysics, telescope optics, and observational astronomy.

University-operated planetarium with dome shows covering astronomy, the solar system, and celestial mechanics — strong Math and Earth Science curriculum tie-in.

Nature center adjacent to Arlington's river greenbelt with interactive exhibits on local ecosystems, wildlife biology, and watershed ecology.

Licensed wildlife rehabilitation center where students observe native species care, animal biology, and conservation practices firsthand.

Freshwater and reef aquarium facility — fish biology, aquatic ecosystems, and aquarium husbandry demonstrated through live tanks.

Zoo and discovery center in western Nebraska — covers animal biology, conservation, and ecological science through live animal exhibits.

Community college public observatory with telescopes and astronomy programming — covers stellar physics, the solar system, and observational astronomy techniques.

Science center at Illinois Institute of Technology with hands-on STEM exhibits — covers physics, engineering principles, and applied mathematics.

Museum tracing 2,000 years of papermaking technology — covers material science, industrial history, and the chemistry of fiber and pulp.

Public observatory operated by volunteers with large telescopes — covers stellar physics, optics, and observational astronomy through guided nighttime viewing.

Community college planetarium offering public astronomy shows covering stellar physics, the solar system, and celestial navigation.

School-based planetarium open to the public — astronomy, celestial mechanics, and earth-science curriculum through dome presentations.

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

Amateur astronomy club hosting public observing events — covers telescope operation, celestial navigation, and observational astronomy in southern Minnesota.