Classified for credit

Telephone Pioneer Museum traces the history of telecommunications technology — covers electrical engineering, signal transmission, and the evolution of communication networks.

IMAX 3D theater adjacent to Tennessee Aquarium showing nature and science films — reinforces marine biology and earth-science content.

Community college planetarium with sky shows and astronomy programs — covers celestial mechanics, cosmology, and observational astronomy.

Regional air museum with restored aircraft — covers aviation engineering history, aerodynamics principles, and the development of military and civilian flight.

Museum dedicated to petroleum exploration and production in the Texas Gulf Coast — covers geology, energy engineering, and the oil industry's economic history.

Museum dedicated to the petroleum industry — covers oil and gas geology, refining processes, energy production history, and the economic impact of fossil fuels.

State-operated fish hatchery with raceway tours covering aquaculture, applied biology, and freshwater ecosystems.

Reptile zoo with live snake, lizard, and turtle exhibits — covers herpetology, reptile physiology, and adaptations.

Public observatory affiliated with Texas State University — covers optical astronomy, telescope mechanics, and celestial observation.

Former Erwin Cotton Mill site in Cooleemee documenting textile manufacturing — covers industrial machinery, fiber science, and labor history.

Large retail aquatic store with extensive live marine and freshwater species — supports ichthyology, aquatic ecosystems, and animal care study.

Turtle sanctuary and reptile zoo with live animals — covers herpetology, reptile adaptations, and wildlife conservation biology.

Education center focused on American River watershed management — covers hydrology, water supply systems, and water conservation science.

Small private aquarium with live aquatic exhibits covering freshwater and marine species biology, fish behavior, and aquatic ecosystems.

Small public aquarium in downtown Fargo — supports freshwater and marine biology, fish taxonomy, and aquatic ecosystem study.

Small public aquarium — supports fish biology, aquatic ecosystems, and animal behavior observation.

Aquarium facility in southern WV — supports aquatic biology and fish species identification curriculum.

Small regional aquarium with live fish and aquatic invertebrate displays — covers freshwater biology and aquatic ecosystems.

Casino-based public aquarium with marine life displays — covers fish taxonomy, marine ecosystems, and aquatic biology.

Small community astronomy center near the Very Large Array — covers telescope optics, radio astronomy concepts, and New Mexico dark-sky observing.

Aviation history museum with historic aircraft and technology exhibits — covers aeronautical engineering, aerospace history, and physics of flight.

Indoor aquarium in West Des Moines featuring freshwater and marine exhibits — covers aquatic biology, fish taxonomy, and conservation.

Wildlife rehabilitation center in Wyoming — covers native wildlife biology, injury causes, and rehabilitation science for birds and mammals.

Outdoor butterfly garden in the Lower Rio Grande Valley — entomology, butterfly life cycle, and native host-plant relationships in a live habitat.