Classified for credit

Authentic Chinese garden with traditional horticulture and design — covers Chinese cultural geography, landscape design, and botanical study.

Traditional Japanese garden in Seattle's Washington Park Arboretum — covers landscape design, plant ecology, and Japanese cultural geography.

Playable pinball machine museum tracing the mechanical and electronic history of arcade gaming — limited formal curriculum hook.

Education center at Woodland Park Zoo — wildlife conservation, zoology, and ecology programs supporting the broader zoo curriculum.

Urban arboretum managed by Western Washington University — native Pacific Northwest tree and plant identification, forest ecology field study.

Traditional Japanese garden featuring designed landscapes and native plantings — supports study of horticultural design, Japanese cultural aesthetics, and plant biology.

Saltwater-adjacent state park on the Olympic Peninsula — covers marine ecology, Pacific Northwest habitats, and tide-zone biology.

Audubon-operated nature center on Lake Washington — structured programs cover bird identification, Pacific Northwest ecology, and conservation.

Aviation education museum covering aerodynamics, aircraft mechanics, and the history of flight through static displays and hands-on exhibits.

Skagit Valley farm unit managed for wintering waterfowl — migratory bird ecology, Puget Sound agriculture, and Pacific Flyway conservation biology.

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.

Public rooftop observatory inside a Seattle office building — visitors view the city and sky through telescopes, covering optics, astronomy, and urban geography.

Early 20th-century Seattle skyscraper with observation deck — covers Pacific Northwest urban development, architectural history, and city geography.

Historic 1914 skyscraper with an observation deck — covers early 20th-century Seattle urban history, architecture, and Pacific Northwest commerce.

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.

Interpretive center at a preserved railroad yard in South Cle Elum — covers railroad history, labor, and the role of rail in Western development.

Aquarium focusing on South Pacific marine species — covers marine biology, ocean ecosystems, and Pacific reef ecology.

Campus planetarium with sky shows — covers astronomy, celestial mechanics, and light physics; located at Western Washington University.

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.

Squaxin Island Tribe's cultural museum and research center — covers Pacific Northwest Coast Indigenous history, language, traditional lifeways, and treaty-era civics.

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