Classified for credit

Federal interpretive center on the Oregon Trail — covers westward migration, manifest destiny, pioneer hardship, and 19th-century American geography.

Oregon Coast Aquarium in Newport with Pacific marine ecosystems, tide pool touch tanks, seabird and sea otter exhibits, and ocean science programming.

Full-dome digital planetarium inside OMSI — covers astronomy, celestial mechanics, and space science with immersive programming.

Walk-through shark tunnel exhibit at the Oregon Coast Aquarium — covers elasmobranch biology, ocean food webs, and marine adaptations.

Oregon Caves NM features ranger-led marble cave tours — covers karst geology, cave formation, speleothem mineralogy, and cave ecology.

Federal refuge complex protecting Oregon coastal islands and estuaries — seabird nesting biology, marine mammal ecology, and Pacific Coast habitat conservation.

Public observatory and nature center in Sunriver, OR with telescopes and astronomy programming — covers celestial mechanics, optics, and observational astronomy.

Oregon coast state park with old-growth rainforest, sea stacks, and beach access — supports coastal ecology, Pacific Northwest forest biology, and marine geography.

Working 1840s Oregon Trail farm on the Barlow Road — living-history site covering westward migration, pioneer agriculture, and overland trail navigation.

University of Oregon research observatory open for public star parties — covers telescope optics, stellar classification, and observational astronomy.

University of Oregon public observatory atop Pine Mountain — covers telescopic astronomy, optics, and dark-sky observing in a high-desert setting.

Major Pacific Northwest art museum with permanent and rotating collections spanning centuries — art history and visual analysis curriculum.

Authentic Japanese garden with labeled plantings and design principles — supports horticultural science, cultural geography, and landscape design.

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

Oregon Coast scenic corridor with sea stacks, old-growth forest, and tide pool access — supports Pacific coastal geology, marine ecology, and physical geography.

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

Oregon coastal state park featuring dramatic sea cliffs, tide pools, and storm-wave observation — covers marine biology and coastal geology.

Oregon state park on the Crooked River — basalt-cliff geology, world-class climbing, and high-desert ecology.

Oregon coast state park adjacent to Yaquina Bay — coastal dune ecology, Pacific shore biology, and beach geomorphology with interpretive trail access.

Day-use area within Silver Falls State Park featuring Oregon's tallest waterfall — hydrology, Pacific Northwest forest ecology, and geology.

Narrow-gauge heritage steam railway operating in Oregon's Blue Mountains — covers railroad history, steam engineering, and the role of railways in Western settlement.

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

Oregon Coast state park with sea caves, tide pools, and forest trails — covers marine biology, coastal geology, and Pacific Northwest ecology.

Cayuse, Umatilla, and Walla Walla tribal cultural institute — covers Indigenous history, oral traditions, and the Columbia Plateau peoples from pre-contact to present.