Classified for credit

Superstition Mountains regional park with Sonoran Desert trails — covers desert ecology, geology, native plant identification, and Arizona geography.

Rio Grande riparian state park at a historic irrigation diversion dam — supports river ecology, desert biology, and water resource study.

Working Vermont farm with seasonal corn maze — supports agricultural science, plant biology, and rural geography for younger learners.

Mississippi state park with a lake, forest trails, and recreational facilities — covers southeastern forest ecology and outdoor physical education.

Florida Gulf Coast state park with barrier-island dune habitat, beach ecology, and opportunities to study coastal geomorphology.

Wisconsin state park at the confluence of the Trempealeau and Mississippi Rivers with bluffs, wetlands, and diverse wildlife for ecology and geography study.

Urban nature reserve with trails along the Big Sioux River — local ecology, riparian habitat, and outdoor observation in a city-accessible setting.

Kansas reservoir state park with diverse habitat — supports freshwater ecology, migratory bird study, and Great Plains geography.

Missouri state park with wetlands and prairie habitat — supports plant and animal ecology, migratory bird study, and geography.

Big Bend National Park's north entrance visitor center with geology and Chihuahuan Desert ecology exhibits — supports geology, desert biology, and geography.

Washington state park with dramatic sandstone pinnacle formations — supports geology, rock-formation study, and outdoor physical education.

Small Nebraska animal encounter attraction with exotic and farm animals — informal zoology and animal behavior observation.

Interpretive center on Upper Newport Bay estuary — covers coastal wetland ecology, migratory birds, and estuarine biology.

Small suburban nature center with trails and wildlife habitat — local ecology, native species identification, and outdoor education.

NC state park on Lake Phelps with ancient dugout canoes and pocosin wetlands — wetland ecology and Native American archaeology.

Hands-on petting farm with domestic livestock — covers basic animal husbandry, farm animal biology, and agricultural life cycles.

Small hands-on petting zoo in rural Alabama — introductory animal husbandry, domestic animal biology, and farm-animal care for young learners.

Wildlife park petting zoo and reptile exhibit — supports animal biology, zoology, and hands-on nature observation.

Hands-on petting zoo where children interact with domestic and farm animals — supports basic animal science and responsible animal-care curriculum.

Small municipal zoo in Aurora's Phillips Park — covers animal biology and basic zoology through exhibits of native and non-native species.

Working diversified farm offering educational tours — covers sustainable agriculture, soil science, animal husbandry, and local food systems.

Urban wetland nature park along the Savannah River with boardwalks and water-quality monitoring programs — covers wetland ecology and applied environmental science.

Salt River recreation area with riparian desert habitat — supports Sonoran Desert ecology, river geography, and outdoor physical education.

Pennsylvania Horticultural Society display garden with diverse plantings — supports botany, horticulture, and seasonal plant-life-cycle observation.