Classified for credit

Extensive private mineral and gem collection open to the public — covers mineralogy, crystallography, geology, and Pacific Northwest rock-forming processes.

Hands-on science museum with interactive STEM exhibits — covers physics, engineering, and earth science through participatory activities.

Nature center with a public observatory offering hands-on astronomy and natural history programs — covers optics, star identification, and high-desert ecology.

Working dairy cooperative with self-guided production tour — covers pasteurization, food science, cooperative economics, and agricultural supply chains.

Cold War-era diesel-electric submarine at OMSI — covers submarine engineering, propulsion systems, and naval history through self-guided tours.

Public observatory near Terrebonne, OR in a dark-sky corridor — supports astronomy, telescope operation, and observational math.

Raptor rehabilitation and education center in northeast Oregon — covers bird biology, wildlife medicine, and conservation ecology through live ambassador birds.

Mineral, fossil, and meteorite museum in southern Oregon — covers geology, mineralogy, and paleontology with hands-on specimens.

Stone observatory atop a Cascade lava field with panoramic volcanic geology views — covers volcanology, plate tectonics, and Cascade Range formation.

Private aircraft collection in Madras featuring restored vintage and wartime aircraft — aviation history, aeronautical engineering, and mechanical systems.

Ancient volcanic maar (tuff ring) in the Oregon high desert — covers volcanology, geology, and prehistoric Native American habitation of the site.

Small Oregon museum adjacent to public fossil beds where visitors can observe and learn about Eocene plant and leaf fossils — covers paleontology and earth science.

Public observatory in Oregon City with public viewing nights — telescope mechanics, observational astronomy, and celestial mapping.

Research-based bird observatory in the Klamath-Siskiyou region — covers avian ecology, banding techniques, and migratory bird monitoring.

Coastal cliff-top observatory with telescopes and interpretive displays — Pacific Ocean meteorology, marine navigation, and Oregon coastal geography.

University of Oregon natural and cultural history museum with archaeology and paleontology collections — covers Oregon prehistory, indigenous cultures, and earth sciences.

Museum dedicated to the history and technology of neon signage — covers electrical discharge physics, glass-blowing chemistry, and 20th-century commercial design.

Air and space museum with aircraft exhibits near Eugene — aerospace engineering, flight mechanics, and aviation history.

Community college public observatory with telescopes and sky programs — covers optics, celestial mechanics, and observational astronomy.

Community college planetarium with public shows on astronomy and space science — covers celestial mechanics, star identification, and the scale of the solar system.

Live insect collection and exhibit space covering entomology, arthropod biology, and insect ecology through hands-on interaction.

Small coastal aquarium with Pacific Northwest marine species — covers marine biology, tidal ecosystems, and local ocean ecology.

Public observatory in Portland offering telescope viewing and astronomy programming — covers optics, stellar physics, and observational math.

Boutique urban aquarium with touch tanks and marine exhibits — supports marine biology and aquatic ecosystem concepts for younger learners.