Classified for credit

Portland urban wildlife refuge with wetland trails — migratory bird habitat, urban ecology, and riparian biology.

Museum preserving the communal heritage of a 19th-century German Christian colony — covers utopian settlement, craftsmanship, and Oregon pioneer history.

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

Scenic heritage railroad along the Oregon coast covering regional railroad history and coastal geography — excursion-style with historical context.

Visitor center for Oregon's coastal sand dune system — covers aeolian geology, coastal ecology, and dune formation processes.

Museum in the original county jail covering regional film history and the production of the movie 'The Goonies' — media and local history.

80-acre botanical garden in the Willamette Valley with themed gardens and native plant collections — supports botany, horticulture, and ecology.

Oregon's primary historical society museum — covers Oregon Trail, Pacific Northwest settlement, and indigenous history with primary-source artifacts.

National wildlife refuge protecting Oregon coastal islands — seabird nesting ecology, marine mammals, and Pacific Coast geography.

Museum documenting Pacific Northwest Jewish history and culture — supports units on immigration, civil rights, and American religious diversity.

Oregon Military Museum at Camp Withycombe displays military vehicles and artifacts covering Oregon's role in U.S. conflicts from WWI through the present.

Heritage rail center preserving and restoring historic Oregon steam locomotives — railroad history, mechanical engineering, and Pacific Northwest transportation.

Museum inside a historic state psychiatric hospital covering the history of mental health treatment, medical ethics, and 19th–20th-century social policy.

Arboretum along the historic Oregon Trail corridor — covers native high-desert plant species and connects to westward-migration geography.

Newport harbor heritage center covering Oregon Coast commercial fishing, navigation, and maritime trade history.

Portland Art Museum's Center for an Untold Tomorrow — contemporary and digital art exhibitions with accessible gallery spaces for structured art study.

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

OSU-managed arboretum with labeled tree collections and forest ecology trails — dendrology, Pacific Northwest ecology, and botany.

Municipal rose garden featuring hundreds of labeled cultivars — plant taxonomy, horticulture, and pollinator biology in an accessible outdoor setting.

Outdoor folk-art rock garden built by a Danish immigrant — covers folk art history, regional geology of Oregon minerals, and pioneer creativity.

Portland Institute for Contemporary Art — covers contemporary visual art, experimental performance, and art-criticism skills.

Historic 1914 mansion of Portland pioneer newspaper publisher — covers Gilded Age Pacific Northwest history, architecture, and civic development.

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

Hands-on play-based children's museum with role-play stations covering early literacy, numeracy, and basic science concepts.