Classified for credit

Iowa's oldest state park featuring limestone bluffs, trout streams, and diverse hardwood forest — supports ecology, geology, and watershed biology field study.

AZA-accredited zoo in Des Moines with conservation programming — supports zoology, animal biology, and wildlife conservation curricula.

IA state park known for geode-collecting on the creek — mineralogy and southeast-Iowa geology.

Urban botanical garden with conservatory and outdoor collections — plant biology, taxonomy, and sustainable horticulture.

Urban nature center with wetland trails, live animals, and seasonal programming — covers Iowa native ecology, watershed biology, and environmental stewardship.

Iowa State University botanical garden with butterfly house, rose gardens, and themed plant collections — supports plant biology, ecology, and horticulture curriculum.

Nature center in a limestone cave park along the Mississippi River — covers cave ecology, karst geology, regional bird and mammal biology, and the Des Moines River watershed.

Iowa state park with wooded trails along the Des Moines River — forest ecology, native plant identification, and physical education through guided or self-led hiking.

County nature center with trails and wildlife exhibits — covers Iowa ecosystems, native species identification, and outdoor biology.

Iowa state recreation area with lake, trails, and natural areas — covers central Iowa ecology, wetland habitats, and outdoor recreation.

Iowa state park with reclaimed surface-mine lakes — covers ecological restoration, freshwater biology, and land-use history.

Iowa state park centered on a glacially formed lake with woodland trails — supports freshwater ecology, glacial geography, and outdoor PE.

Iowa state park unit along the Mississippi River bluffs — supports Mississippi River ecology, bluff geology, and outdoor physical education.

State park butterfly garden on the Mississippi bluffs — butterfly life cycle, pollinator ecology, and native plant identification.

County conservation nature center with trails and interpretive exhibits — covers Iowa ecology, wildlife identification, and conservation science.

Better Homes and Gardens working demonstration garden in Des Moines — horticultural science, plant testing methodology, and garden design principles.

Hands-on nature and cultural encounter center focused on Missouri River ecosystems and Native American natural history of the Great Plains.

Accredited arboretum with labeled tree and shrub collections — supports botany, plant taxonomy, and ecology curriculum.

Iowa state park on a reservoir — covers freshwater habitat, Iowa ecology, and outdoor recreation with ranger-led programming.

Iowa state park on Black Hawk Lake featuring trails and wetland habitat — supports aquatic ecology, prairie biology, and outdoor physical education.

Iowa state recreation area with trails, wetlands, and a reservoir — supports ecology, freshwater biology, and outdoor physical education.

Municipal arboretum with labeled tree and shrub collections — dendrology, plant taxonomy, and seasonal botanical observation.

Cedar Valley arboretum and botanic gardens — Iowa native plants and woody-plant identification.

Public botanical garden with labeled plant collections — supports plant taxonomy, horticulture, and ecology for hands-on nature study.