Classified for credit

Combined veterans and regional history museum covering WWII, the Sullivan Brothers story, and Iowa history with some science exhibits.

Dubuque-area nature preserve with interpretive nature center — woodland and stream ecology, native Iowa species, and conservation biology.

Urban nature corridor managed by Iowa State Extension — riparian ecology, native plant restoration, and environmental stewardship in a city setting.

Indoor aquarium in West Des Moines featuring freshwater and marine exhibits — covers aquatic biology, fish taxonomy, and conservation.

350-acre arboretum with labeled tree collections — covers dendrology, plant taxonomy, and Iowa native ecosystems.

Community observatory with public viewing nights and educational programming — covers astronomy, telescope operation, and celestial navigation.

Reconstructed frontier fort and village with period artifacts — covers Iowa territorial history, pioneer settlement, and 19th-century frontier life.

Railroad museum covering rail transport history in the Sioux City region — industrial history, mechanical engineering, and westward expansion.

Restored railroad depot housing WWII memorial exhibits — covers home-front history, military service, and the railroad's wartime role.

Rural Iowa nature center with twin pond habitats — supports wetland ecology, wildlife observation, and pond biology.

Federally managed prairie wetland refuge — studies waterfowl migration, wetland ecology, and Iowa's glacial pothole landscape.

Reconstructed 1890s Iowa village with costumed interpreters — covers pioneer daily life, period trades, and late-19th-century Midwestern settlement history.

Municipal botanical park with conservatory and formal gardens — supports plant taxonomy, horticulture, and seasonal ecology observation.

Municipal conservatory and botanical garden in Davenport — covers plant biology, horticulture, and seasonal plant life cycles in a greenhouse setting.

Norwegian-American museum and archive in Decorah, IA documenting Scandinavian immigration and settlement — covers immigration history, folk culture, and ethnic heritage.

Preserved railroad depot and museum in Vinton, IA documenting rail history — covers 19th-century transportation technology and Iowa economic development.

Iowa land trust nature area with prairie and woodland trails — native plant ecology, Iowa biodiversity, and conservation land stewardship.

Restored 19th-century grist mill with operational millstone machinery — covers mechanical energy transfer, grain milling, and agricultural history.

Urban Iowa state park with wooded trails along Walnut Creek for introductory forest ecology, native flora identification, and outdoor PE.

Wapello County conservation areas with trails and natural lands — covers Iowa native ecosystems, wildlife habitat, and land stewardship.

Iowa environmental education center on the Wapsi River with wetland, prairie, and woodland habitats — structured ecology programming and watershed science for field study.

Iowa state park along the Wapsipinicon River with limestone geology, woodland ecology, and developed trails supporting biology and earth-science study.

Warren County conservation area with managed natural lands supporting Iowa prairie and woodland ecology, wildlife observation, and conservation science.

College-affiliated public observatory — covers celestial mechanics, telescope optics, and observational astronomy.