Classified for credit

Community astronomy education center with telescopes and public programs — covers observational astronomy, celestial mechanics, and the electromagnetic spectrum.

University of Illinois natural history building with vertebrate, invertebrate, and paleontology collections — taxonomy, evolution, and natural history.

Community nature observatory near Carbondale offering stargazing and astronomy programming — covers telescope optics, celestial navigation, and observational astronomy.

Community observatory in Peoria — covers telescope optics, celestial mechanics, and observational astronomy.

Municipal conservatory with greenhouse collections supporting plant biology, horticulture, and botany for hands-on nature study.

Licensed wildlife rehabilitation center offering education programs on native Illinois wildlife biology and animal care.

Campus planetarium at the University of Illinois — covers astronomy, celestial mechanics, and the night sky through projected dome presentations.

Dairy cooperative processing facility offering tours that cover food science, pasteurization, and the farm-to-table supply chain.

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

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

Suburban Chicago aquatic facility with marine and freshwater exhibits — covers fish biology, aquatic ecosystems, and animal husbandry.

University physics observatory with telescopes open to the public — covers astronomy, optics, and observational science.

Olivet Nazarene University public planetarium with dome theater — covers astronomy, the solar system, and celestial navigation through projected sky programs.

Community science center with hands-on STEM exhibits — supports applied physics, chemistry, and technology concepts for K-12 learners.

Licensed wildlife rehabilitation center housing non-releasable raptors and native mammals — covers animal biology, wildlife ecology, and conservation science.

School-district planetarium with public programs — covers astronomy, celestial mechanics, and Earth-Sun-Moon relationships.

University of Illinois Springfield public observatory — celestial observation with telescopes supporting astronomy and applied math curriculum.

University astronomy department offering public outreach and telescope viewing covering astrophysics, stellar classification, and observational methods.

University-operated public observatory with scheduled viewing nights — covers telescope optics, celestial mechanics, and observational astronomy.

Public observatory with telescope access for night-sky viewing — covers celestial mechanics, optics, and observational astronomy.

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

Farm-based corn and grain exhibit covering agricultural science, seed varieties, and Midwest farming practices.

Public observatory in Freeport, IL — supports astronomy education through telescope observation of celestial objects and discussion of optics and orbital mechanics.

Small natural history museum with local wildlife specimens and ecology exhibits — supports zoology, regional biodiversity, and Illinois natural history.