Classified for credit

University of Arkansas animal science teaching facility — supports applied animal biology, livestock management, and veterinary science curriculum.

Domed planetarium at Hibbing Community College — astronomy, earth science, and the physics of light and motion.

Hands-on museum tracing radio and electronic communication history — covers electromagnetism, signal transmission, and technology history.

Small-scale exotic and native animal encounter facility in Oklahoma — supports zoology, animal behavior, and wildlife conservation discussion.

Historic grist mill site repurposed as an environmental education center — covers watershed science, mill mechanics, and local wetland and stream ecology.

Wildlife rehab center with education program featuring non-releasable native animals — covers raptor biology, wildlife rehabilitation methods, and Florida ecosystems.

University of Michigan radio observatory with large dish antenna — covers radio astronomy, telescope engineering, and electromagnetic spectrum science.

Community observatory with telescopes open to the public — covers optics, stellar astronomy, and celestial navigation concepts.

Research center and museum focused on Honey Island Swamp ecology — covers Louisiana wetland biology, bayou ecosystems, and wildlife conservation.

Working farm market with seasonal produce — supports plant biology, agricultural science, and local food-system economics.

Restored 19th-century grist mill in Rock Creek Park — demonstrates grain milling mechanics, water-wheel engineering, and pre-industrial technology.

Planetarium at Clarion University with dome programs covering the solar system, constellations, and basic astronomy.

Museum covering Pennsylvania oil industry history — documents petroleum extraction technology, early drilling engineering, and the birth of the American oil industry.

Outdoor living-history museum with working sawmill and logging equipment — covers 19th-century timber industry, mechanical engineering, and Pennsylvania forest ecology.

Cable-stayed bridge with a publicly accessible observatory tower — covers structural engineering, cable-tension physics, and Penobscot River geography.

Historic 24-inch Perkin reflector telescope at Wesleyan University — covers optics, astronomy, and the history of observational science.

Delaware-Ohio observatory with public telescope nights and astronomy programming — covers celestial mechanics, optics, and observational astronomy.

Petroleum industry museum with full-scale drilling equipment and geoscience exhibits — covers petroleum geology, extraction engineering, and the economic history of oil.

Gallery displaying petrified wood specimens from the Nebraska region — covers fossilization processes, plant paleontology, and geological time scales.

Outdoor park displaying hundreds of petrified wood specimens and fossils — covers paleontology, geology, and fossilization processes.

Working Georgia farm with seasonal crops, animals, and agritourism programs — covers plant life cycles, animal husbandry, and agricultural food systems.

University undergraduate public observatory with optical telescopes — celestial mechanics, stellar observation, and applied astronomy.

Licensed wildlife rehabilitation center — applied zoology, animal care, native species identification, and conservation biology.

Public observatory near Las Cruces offering telescopic observation programs — covers astronomy, optics, and celestial mechanics.