Classified for credit

Caldera-formed volcanic lake in the Cascades — covers volcanology, limnology, and Pacific Northwest geology with ranger programs.

Deepest river gorge in North America — covers geology, river ecology, Pacific Northwest geography, and Native American cultural history.

National Monument with exposed fossil beds spanning 45 million years — covers paleontology, stratigraphy, geologic time, and Pacific Northwest natural history.

NPS fossil site with visitor center and exposed Cenozoic fossil beds — covers paleontology, geological time, and Oregon prehistory.

Major Oregon Coast aquarium with shark tank, seabird aviary, and tidal habitats — covers marine biology, ocean ecology, and Pacific coastal science.

Large hands-on science and industry museum with a decommissioned submarine, planetarium, and interactive STEM exhibits — physics, biology, and engineering.

High Desert Museum near Bend, OR combines live wildlife, Native American cultural history, and desert ecology exhibits for interdisciplinary natural and cultural study.

Working federal hydroelectric dam with adjacent fish hatchery — covers electricity generation, fish biology, aquaculture, and Columbia River ecology.

National scenic area spanning a dramatic river gorge — covers volcanic geology, Columbia River watershed ecology, and Pacific Northwest geography.

Regional science center in Eugene, OR, with hands-on STEM exhibits and a planetarium — covers physics, earth science, and mathematics concepts.

NPS reconstructed fort marks the Lewis and Clark Expedition's 1805–06 winter quarters — covers westward exploration, Corps of Discovery, and Pacific Northwest history.

Historic 1850s working farm with preserved buildings and agricultural demonstrations — covers Oregon pioneer settlement and 19th-century farm life.

Children's discovery museum in Medford with hands-on exhibits covering early STEM, literacy, and imaginative play.

NPS site at the Lewis and Clark Expedition's 1805–06 winter camp — covers exploration history, indigenous relations, Pacific Northwest geography, and natural history.

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

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

Museum documenting Bohemia gold-mining district history — covers 19th-century hard-rock mining methods, geology, and Oregon economic history.

Preserved Victorian-era home of early Salem settler Asahel Bush — covers 19th-century domestic life, Oregon history, and period architecture.

Tribal museum and cultural center for the Grand Ronde Confederated Tribes — Native American history, language, and cultural preservation.

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

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

Preserved cannery on the Columbia River documenting the Pacific Northwest salmon canning industry — covers industrial history and fisheries technology.

Regional heritage museum in Astoria covering the history of the Columbia River maritime trade and early Oregon settlement.

Pendleton heritage museum covering the Oregon Trail, railroad era, and the ranching history of the Umatilla region.