Classified for credit

Walk-through WWII-era submarine and Spanish-American War cruiser at Independence Seaport Museum — covers naval history, marine engineering, and military technology.

Glass-enclosed tropical conservatory with live plants and butterfly populations — covers tropical botany, plant adaptation, and entomology.

Commercially operated limestone cave with guided tours — covers speleology, cave formation, mineralogy, and karst geology.

Natural limestone cave in Garner State Park area — covers speleology, karst geology, cave formations, and groundwater systems.

Coastal state park with tide pools, marine terrace geology, and underwater preserve — supports marine biology and coastal ecology field study.

Petrified wood field within Petrified Forest National Park — covers fossilization processes, Late Triassic geology, and paleontology of the Colorado Plateau.

Federal wildlife refuge protecting manatee habitat in Crystal River springs — marine mammal biology, spring ecology, and federal conservation programs.

Florida state park protecting spring-fed rivers and manatee habitat — covers aquatic ecology, karst geology, and coastal conservation.

Tribally managed bison range on the Flathead Reservation — covers large-mammal ecology, Native conservation history, and grassland biology.

University of Colorado hands-on science education center with interactive STEM exhibits and programs for K–12 learners.

Cherokee living-history cultural village in North Carolina covering Eastern Band Cherokee history, language, traditional arts, and pre-contact society.

State resort park featuring one of the few moonbow sites in the world — covers hydrology, optics, and Appalachian ecology.

National park preserving the famous mountain pass used by settlers and Civil War-era troops — covers westward expansion, Appalachian geography, and frontier history.

Undeveloped barrier island national seashore offering ecology, maritime history, and coastal biology study with ranger programs.

Established art museum with riverside gardens housing European and American collections — supports art history and studio art curriculum.

State park featuring a dramatic waterfall and gorge — geology, hydrology, and watershed ecology in a hands-on outdoor setting.

Maryland state park with a 78-foot cascading waterfall, forested trails, and a trout stream supporting ecology, geology, and watershed science.

NPS recreation area on Blue Mesa Reservoir with boating, hiking, and geology exhibits — covers watershed ecology, glacial geology, and Western geography.

Hands-on science and wildlife center with live animals and interactive exhibits covering ecology, biology, and earth science.

Hands-on wildlife encounter program featuring live native animals — applied zoology, animal adaptation, and Pacific Northwest species identification.

Hands-on children's discovery museum with interactive exhibits covering basic science, math, literacy, and imaginative play.

Hands-on children's discovery center with interactive STEM and literacy exhibits designed for early learners.

Missouri Ozarks state park along the Current River — covers karst hydrology, freshwater ecology, and Ozark geology.

Established New Hampshire fine-arts museum with European and American collections — covers art history and visual arts analysis with permanent and rotating exhibits.