Classified for credit

Free roadside elk viewing area on the Umpqua River — large mammal behavior, herd ecology, and Oregon coastal range habitat.

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

Late-Victorian mansion with intact period interiors and formal gardens — covers Oregon domestic history, architectural styles, and landscape design.

Historic railroad depot museum on the Columbia River Highway — covers Pacific Northwest rail history and its role in regional settlement and commerce.

Reservoir state recreation area in the Cascade foothills — supports ecology, watershed biology, and Oregon geography with developed trails and interpretive access.

Historic commercial filbert orchard operating since the 1800s — covers Oregon agricultural history, land use, and early settlement farming practices.

Douglas County museum covering regional history, Native cultures, and natural history of the Umpqua Valley — history and local geology.

Oregon DFW-managed wildlife area on former WWII Camp Adair land — wetland ecology, wildlife observation, and habitat restoration studies.

Historic bishop's garden along the Willamette River featuring native and heritage plantings — botany, horticulture, and Pacific Northwest ecology.

Community art center in Springfield with gallery exhibitions and studio programs — fine arts exposure and regional artist works.

Oregon Trail heritage area at a historic emigrant campsite in the Blue Mountains — covers pioneer history, trail geography, and frontier hardship narratives.

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

Oregon state recreation area with reservoir, forests, and trails — ecology, Pacific Northwest geography, and outdoor PE.

Oregon state recreation area along the Snake River and historic Oregon Trail corridor — supports riparian ecology, geography, and pioneer history.

Oregon Coast state recreation area with tidal creek and coastal habitat — covers marine ecology, intertidal biology, and coastal geography.

Reconstructed 1811 fur-trade fort at the mouth of the Columbia River — Pacific Northwest exploration history and early American westward expansion.

Oregon Trail-era U.S. Army fort museum with original 1857 surgeon's quarters — covers westward expansion, military history, and pioneer settlement.

Preserved 1856 U.S. Army frontier fort site in the Willamette Valley — Oregon Indian Wars history and mid-19th-century military settlement.

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

WWII-era coastal defense fort with intact gun batteries on the Oregon coast — covers military history, coastal fortification, and Pacific theater geography.

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.

Historic garden property in Salem, OR — designed landscape with native and ornamental plantings supporting botany and landscape history.

Small private zoo featuring kangaroos and exotic animals — supports zoology, animal behavior, and comparative mammal biology.

Public Japanese garden on a small island — plant selection, design principles, and Japanese cultural geography.