Classified for credit

Hands-on estuarium with live Puget Sound marine specimens — covers estuarine ecology, marine biology, and Pacific Northwest watershed science.

Columbia Basin museum covering Manhattan Project nuclear history, Hanford Site science, and regional energy production — nuclear physics and Cold War history.

Hydroelectric dam visitor center on the Columbia River — covers electricity generation, fish ladders, river ecology, and civil engineering.

USFS visitor center at the Mount St. Helens blast zone — volcanology, ecological succession, and geologic hazard science.

NOAA Science on a Sphere installation displaying animated Earth data — covers atmospheric science, oceanography, and global data visualization.

Marine science discovery center in Poulsbo, WA with touch tanks and Puget Sound exhibits — covers marine biology, Pacific Northwest ecology, and oceanography.

Seattle Aquarium interactive undersea virtual ride and exhibits covering Pacific marine biology, ocean ecology, and conservation.

Lower observation deck of a 270-foot waterfall adjacent to a working Puget Power hydroelectric plant — covers hydrology, erosion, and electricity generation.

Iconic observation tower with structural engineering exhibits — architecture, materials science, and Pacific Northwest geography from 520 ft.

Hands-on museum tracing the history of electrical invention from telegraph to radio with working apparatus and inventor biographies — electromagnetism and communications technology.

Working kangaroo and exotic-animal farm with guided tours — covers marsupial biology, animal husbandry, and Australian wildlife ecology.

Federal museum dedicated to undersea warfare technology — covers submarine acoustics, torpedo engineering, naval history, and oceanographic science.

State-run interpretive center at Mount St. Helens covering volcanology, plate tectonics, ecological succession, and the 1980 eruption.

Planetarium at Pacific Science Center — covers celestial mechanics, constellation identification, and basic astrophysics through immersive dome presentations.

Retail aquarium store with extensive live fish, plant, and invertebrate displays — covers aquatic biology, ecosystem balance, and water chemistry.

Amateur astronomical association with public observatory and telescopes — covers observational astronomy, optics, and the night sky.

Indoor aquarium in a mall setting with live fish and invertebrate exhibits — covers marine biology and aquatic ecosystems.

NOAA-affiliated interpretive center and aquarium on Padilla Bay estuary — covers marine biology, Pacific Northwest estuarine ecology, and conservation science.

USGS Cascades Volcano Observatory with public exhibits — covers volcanology, plate tectonics, seismic monitoring, and Pacific Northwest geology.

Interpretive center on Washington's outer coast covering marine ecology, coastal geography, and the natural history of the Grays Harbor region.

Skyscraper observation deck and structural engineering exhibits — covers structural load, wind forces, and urban civil engineering concepts.

Telephone history museum with working equipment and hands-on exhibits — covers telecommunications engineering, electrical science, and the evolution of communications technology.

Community college planetarium with public shows — covers astronomy, celestial mechanics, and the scale of the solar system.

Museum covering commercial cranberry cultivation — addresses bog ecology, harvest methods, agricultural science, and the Pacific Coast cranberry industry.