Classified for credit

NPS unit protecting spring-fed Ozark rivers with ranger programs — covers freshwater ecology, karst geology, and riparian biology across multiple access points.

Regional botanical garden with themed gardens and seasonal programming covering plant biology, ecology, and horticulture.

One of the few remaining tallgrass prairie preserves in Missouri — plant ecology, fire-managed grassland biology, and bison observation.

Missouri tallgrass prairie preserve with visitor center and ranger programs — covers grassland ecology, native plant biology, and bison conservation.

Primate exhibit at Saint Louis Zoo featuring elevated rope trails — primate biology, behavior, and conservation of endangered great apes.

State park preserving a natural rock bridge and cave system with ranger programming — karst geology, cave ecology, and Ozark biology.

Sea lion exhibit at the Saint Louis Zoo — supports marine mammal biology, animal behavior observation, and conservation education.

Missouri Botanical Garden reserve with 2,400 acres of native habitats — supports plant ecology, conservation biology, and watershed science.

Missouri Department of Conservation nature center with indoor exhibits and Ozark trail system covering native wildlife biology, forest ecology, and watershed science.

Missouri state park on Table Rock Lake in the Ozarks — covers Ozark Highland ecology, reservoir geology, freshwater biology, and Ozark cultural geography.

Drive-through and walk-through wildlife park — animal biology, species diversity, and conservation education.

Missouri Department of Conservation wildlife education program at the St. Louis Zoo campus — wildlife biology, conservation, and native species study.

Raptor sanctuary and bird-of-prey rehabilitation center near St. Louis — covers avian biology, wildlife rehabilitation, and conservation ecology.

MDC conservation center with hands-on exhibits on Missouri native wildlife, habitat management, and urban ecology education programs.

Missouri state park on the site of a Native American village overlooking the Missouri River — combines natural history, indigenous archaeology, and outdoor ecology.

Audubon-managed wetland visitor center on the Mississippi River — migratory bird ecology, riparian habitat, and conservation biology.

Missouri Department of Conservation area with wetlands, upland fields, and forest — supports wildlife management, habitat ecology, and hunting/fishing conservation education.

State park nature center at a spring-fed trout stream — covers Ozark spring ecology, fish biology, and Missouri watershed science with interpretive exhibits.

Big Cat Country habitat at the Saint Louis Zoo features lions and other large felids — supports zoology, predator ecology, and African savanna biology.

Hands-on petting zoo and educational animal park — introduces animal science, zoology basics, and animal husbandry to younger learners.

Missouri state park on an oxbow lake along the Missouri River — wetland ecology, migratory bird observation, and floodplain geography.

Federal refuge along the Missouri River floodplain — covers bottomland ecology, migratory wildlife, and river biology.

State park protecting one of Missouri's largest remaining lowland forests — supports old-growth ecology, tree identification, and wetland biology.

Ozark state park along Big Sugar Creek — covers Ozark ecology, stream biology, and native plant and animal identification.