Classified for credit

College-based science center at Centralia College with hands-on STEM exhibits covering physics, biology, and applied sciences for student groups.

Historic water tower with observation deck in Seattle — covers municipal water system history, civil engineering, and panoramic geography.

Watershed science center covering water quality, salmon habitat restoration, and freshwater ecology in the Issaquah Creek basin.

State park at the confluence of the Wenatchee and Columbia Rivers — covers riparian ecology, Pacific Northwest geography, and migratory bird habitat.

Regional museum covering Wenatchee Valley history including apple industry, Native peoples, and early aviation — applied local and Pacific Northwest history.

Small coastal aquarium featuring Pacific Northwest marine life — supports marine biology and oceanic ecosystems curriculum.

Water and environmental science center in Olympia — hands-on exhibits cover watersheds, aquatic ecology, and water resource management.

Regional art and history museum in a historic 1892 city hall — covers Pacific Northwest art, cultural history, and architecture.

Auburn-area museum covering White River Valley history including Native settlement, pioneer life, and the Japanese-American WWII experience in the Pacific Northwest.

NPS site marking the 1847 Whitman Massacre — covers Oregon Trail migration, missionary history, and U.S.-Native relations in the Pacific Northwest.

Forested ravine trail adjacent to Bellevue Botanical Gardens — covers Pacific Northwest forest ecology, native plant identification, and watershed biology.

Nonprofit felid advocacy center housing wild cats — covers big-cat biology, predator ecology, and wildlife conservation programs.

Outdoor wildlife theater at Point Defiance Park featuring live-animal ambassador programs — wildlife biology and conservation education.

Preserved beehive coke ovens from late-19th-century coal mining — industrial history, metallurgy, and the rise of Pacific Northwest industry.

Federally managed coastal refuge protecting tidal wetlands and migratory shorebirds — covers estuary ecology, waterfowl biology, and Pacific flyway geography.

College-based planetarium with public show schedule — astronomy, the solar system, and celestial mechanics through projected dome presentations.

USDA research arboretum in the Columbia River Gorge with labeled tree collections — supports dendrology, forest ecology, and Pacific Northwest botany.

NPS-affiliated museum in Seattle's Chinatown-International District — covers Asian American immigration history and civil rights.

Public rose garden within Woodland Park featuring diverse cultivars — supports horticulture, plant biology, and taxonomy for younger learners.

University planetarium with public programs — covers astronomy, planetary science, and the physics of light and motion.

WSU Extension demonstration garden with labeled plants and sustainable gardening plots — applied botany, horticulture, and soil science.

Municipal arboretum with labeled trees, wetland, and interpretive trails along the Yakima River — supports dendrology, riparian ecology, and plant biology.

Regional museum covering Yakima Valley's Native heritage, pioneer settlement, and agricultural development — Washington state and Pacific Northwest history.

Preserved electric streetcar operation in Yakima with vintage cars — covers early 20th-century urban transit history and electrical engineering basics.