Classified for credit

Indiana state recreation area on Cataract Lake — freshwater ecology, watershed geography, and outdoor PE across developed trails and shoreline.

Small petting zoo with farm and domestic animals supporting introductory zoology, animal care, and life-science concepts for young learners.

Historic lilac garden developed by horticulturalist Hulda Klager — covers plant hybridization, horticulture history, and botanical science.

Lombard park famous for its lilac collection with 200+ varieties — supports plant taxonomy, phenology, and horticulture study during spring bloom.

Native Hawaiian botanical garden in Nuuanu Valley — endemic plant species, Hawaiian cultural history, and watershed ecology.

Japanese-style ornamental garden on Hilo Bay — supports cultural geography, landscape design, and the history of Japanese-Hawaiian heritage.

University-affiliated arboretum with labeled native and cultivated tree collections — supports dendrology, botany, and plant ecology study.

Community nature center in West Lafayette with trails and interpretive exhibits on Indiana wildlife, native plants, and local watershed ecology.

Remote Maine state park on Moosehead Lake — covers boreal forest ecology, lake biology, and wilderness skills in a pristine northern environment.

County nature center with trails along Lime Creek — covers Iowa woodland and riparian ecology, wildlife identification, and seasonal natural history.

Small urban zoo with hands-on animal encounters — supports zoology, animal adaptations, and conservation awareness for younger children.

Native plant garden and nature center on Lake Springfield — covers Illinois ecology, native plant identification, and Lincoln-era natural history.

Parish-operated state park with lake, trails, and forested habitat — supports ecology, outdoor PE, and regional natural history.

Small municipal zoo in Manitowoc with regional wildlife — supports introductory zoology and animal-adaptation discussions for young learners.

Free municipal zoo in Manitowoc with native and exotic animals — supports zoology, animal behavior, and conservation awareness curriculum.

Columbia River state park with basalt rock formations — Pacific Northwest geology, volcanic rock identification, and river ecology.

Urban wetland nature center in Lincoln — covers wetland ecology, migratory bird biology, and Great Plains watershed science.

State park along Lincoln's boyhood migration route with trails and interpretive signage — combines native woodland ecology with early 19th-century pioneer history.

Large Rhode Island state park with reservoir, trails, and forested habitat — supports ecology, watershed biology, and outdoor PE.

State park with reservoir beach, forested trails, and freshwater habitat — supports PE, basic ecology observation, and outdoor recreation curriculum.

Missouri River headwaters state park at the confluence of the Jefferson, Madison, and Gallatin rivers — watershed geography and Lewis & Clark history.

Children's garden within a city park on the Reedy River — supports basic plant biology, sensory nature exploration, and early environmental education.

Lion's Den animal exhibit within Franklin Park Zoo in Boston — covers large-cat biology and zoo conservation programs as part of a larger zoo visit.

Working farm near Lithia Springs with animal husbandry and agricultural activities — supports hands-on study of farm ecology and plant and animal biology.