Classified for credit

Quirky Portland museum of oddities and curiosities — supports critical thinking about pseudoscience, folklore, and popular culture as a supplemental stop.

Catholic sanctuary and botanical garden with cliff-top trails and native plant displays in NE Portland.

University-affiliated art museum with rotating and permanent collections — supports art history and visual arts curriculum.

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.

Oregon State Heritage Site featuring a working 19th-century gristmill — covers mechanical engineering, water-powered milling, and the history of grain processing.

Pioneer and natural-history museum documenting Tillamook County settlement, logging, and coastal Oregon heritage through artifacts and exhibits.

Urban old-growth forest state natural area in Portland with interpretive trails and staff naturalists — covers Pacific Northwest forest ecology and watershed biology.

Staffed urban nature center with trails and exhibits — covers Pacific Northwest forest ecology, wetlands, and wildlife identification.

Urban nature park with 222 acres of wetlands and forest in Beaverton — local ecology, wetland biology, and Pacific Northwest plant identification.

Urban national wildlife refuge visitor center with exhibits and trails covering Pacific flyway migratory birds and Tualatin River watershed ecology.

Oregon state park on the Deschutes River with ranger programs, riparian habitat, and high-desert ecology — supports biology, geography, and outdoor PE.

Interpretive center on the Umpqua River estuary — covers coastal ecology, Oregon natural history, and regional Native cultures.

Oregon coast state park adjacent to a historic lighthouse and coastal dunes — supports Pacific dune ecology study and lighthouse history.

Federal wildlife refuge on Upper Klamath Lake — waterfowl ecology, migratory bird biology, and Pacific Flyway geography.

Oregon state park along the Rogue River — riparian ecology, geology, and outdoor physical education with developed facilities.

1917 historic stone rest house on the Historic Columbia River Highway — covers early-20th-century road engineering history and Pacific Northwest settlement.

Natural history discovery center in the Wallowa Mountains covering regional geology, wildlife ecology, and Indigenous natural history.

Oregon NWR featuring restored wetlands and upland habitats — supports study of wetland restoration, migratory waterfowl, and Pacific Flyway ecology.

Oregon state park featuring a dramatic basalt canyon waterfall on the White River — supports Pacific Northwest geology, volcanic landform study, and riparian ecology.

Wolf sanctuary on the Oregon Coast Range — covers wolf behavior, predator-prey ecology, and wildlife conservation programs.

Licensed wildlife rehabilitation center with resident raptors and education programs — applied zoology, animal biology, and conservation science.

Heritage center on the site of a 19th-century woolen and grist mill complex — covers Oregon industrial history, textile manufacturing, and Willamette Valley settlement.

Oregon state park on the Willamette River floodplain — covers riparian ecology and the history of the first Protestant mission in the Pacific Northwest.