Classified for credit

WDFW wildlife area on Samish Bay — covers Puget Sound estuary ecology, migratory shorebirds, and Pacific Northwest coastal wetland habitats.

Skagit Bay estuary unit offering observation of migratory waterfowl and tidal wetland ecology in a productive Pacific Flyway habitat.

University of Washington herbaceous display garden at the Center for Urban Horticulture — plant taxonomy, horticulture, and urban ecology.

Botanical garden and heritage center with native plant collections, seasonal demonstrations, and Pacific Northwest horticultural history.

Island state park with tidal lagoon and beach habitat — supports coastal ecology, marine biology observation, and geography.

Undeveloped forested state natural area in the Issaquah Alps — Pacific Northwest forest ecology, native plant identification, and trail navigation.

National wildlife refuge at the Columbia River confluence — wetland ecology, migratory bird biology, and Pacific Northwest watershed geography.

Quartzite inselberg rising above the Palouse prairie — covers glacial geology, regional ecology, and panoramic geography of eastern Washington.

Urban nature center with wetland boardwalks and wildlife habitat — covers Pacific Northwest ecology, wetland biology, and local wildlife identification.

Federal wildlife refuge in the Yakima Valley — birding, wetland ecology, and Pacific Flyway migration biology.

Federal wildlife refuge on the Columbia Plateau — biology, wetland ecology, migratory bird study, and Pacific Northwest habitat conservation.

Hood Canal state park with tidal shoreline and forest trails — supports marine biology, intertidal ecology, and outdoor PE.

Trailhead accessing Twin Falls in the Olallie State Park corridor — covers Pacific Northwest forest ecology, watershed geography, and physical education.

Columbia River federal wildlife refuge with birding trails — migratory waterfowl ecology, riparian habitat, and Pacific Flyway biology.

Seattle Parks conservatory with tropical, cactus, and exotic plant collections — botany, plant adaptation, and ecosystem diversity.

Victorian-era glass conservatory with labeled tropical and seasonal plant collections — supports botany, plant adaptation, and horticulture.

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

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

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

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

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

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

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.