Classified for credit

Community observatory outside Ponder, TX — covers celestial mechanics, telescope optics, and observational astronomy.

Reptile exhibit facility covering herpetology, reptile adaptations, thermoregulation, and species diversity across live specimens.

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

Licensed wildlife rehabilitation center near Dallas — covers raptor and bird biology, injury recovery, and native Texas wildlife conservation.

East Texas salt mine and mineral extraction site covering geology, mining history, and industrial chemistry of halite salt deposits.

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

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

Campus planetarium with sky shows and science building exhibits — astronomy, physics, and earth science curriculum support.

College-based planetarium with public shows — covers observational astronomy, the solar system, and celestial mechanics through immersive dome presentations.

Stephen F. Austin State University planetarium offering public astronomy programs — covers celestial mechanics, constellations, and observational astronomy.

University-operated planetarium at SFA — covers astronomy, celestial mechanics, and earth science through scheduled dome shows.

University-operated observatory open for public viewings — covers telescope optics, celestial mechanics, and observational astronomy.

UNT planetarium — full-dome astronomy programs and sky shows for school groups.

Commercial cave tour covering speleothem formation, karst geology, and groundwater processes in a natural limestone cavern.

Licensed wildlife rehabilitation center for injured raptors and native Texas wildlife — covers animal biology, ecology, and wildlife conservation.

Small museum dedicated to Stanzel family model aircraft — covers aerodynamics, mechanical engineering principles, and mid-20th-century aviation manufacturing.

University planetarium with star-projection shows covering astronomy, celestial mechanics, and observational science.

University-operated observatory open to the public — covers telescope mechanics, stellar observation, and applied astrophysics.

Working hobby farm in Dripping Springs — hands-on agricultural science, animal husbandry, and farm-to-table food production concepts.

Candy manufacturing facility offering factory tours — covers food science, confectionery production processes, and small-scale manufacturing.

University planetarium offering sky shows — covers astronomy, celestial navigation, and the scale of the solar system.

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.

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