Classified for credit

South Dakota state park in the coteau hills — deciduous forest ecology, glacial lake biology, and trail-based outdoor education in a developed park setting.

Maryland state park on a Potomac River peninsula with forest trails and a colonial-era church site — covers Chesapeake ecology and early Maryland settlement.

NH Audubon-managed wildlife sanctuary with trail system in the White Mountains foothills — bird identification, forest ecology, and conservation biology.

NH Audubon wildlife sanctuary and education center with trails, wildlife blinds, and naturalist programs — covers bird identification and wetland ecology.

Working farm in NC — covers agricultural practices, animal husbandry, and plant biology in a hands-on outdoor setting.

Regional zoo with conservation programming covering animal biology, habitat preservation, and wildlife management.

State park at a large natural spring complex feeding the Snake River — covers hydrogeology, spring ecology, and high-desert riparian biology.

Indoor conservatory with tropical and seasonal plant collections — covers plant biology, photosynthesis, and horticultural science.

Small petting farm and barnyard animal encounter — supports basic animal husbandry, livestock biology, and agricultural science for younger children.

Preserved natural area with native California plants and habitat — supports botany, local ecology, and conservation education.

Authentic Japanese friendship garden covering Japanese horticultural traditions, cultural exchange history, and formal garden design principles.

Audubon urban riparian center on the Rio Salado with trails and exhibits covering wetland restoration, bird biology, and desert-watershed ecology.

Wetland refuge in the Mission Valley hosting waterfowl and shorebirds — migratory bird ecology, wetland biology, and Montana geography.

Federally managed coastal wildlife refuge covering saltmarsh, pond, and barrier beach habitats — bird identification, coastal ecology, and wetland biology.

Alaska state recreation area on the Kenai Peninsula coast — supports coastal ecology, tidal observation, and Pacific Northwest geography.

Nebraska state park at the confluence of the Niobrara and Missouri Rivers — supports riparian ecology, river geography, and outdoor PE.

Vermont state park on Lake Champlain with forested trails — freshwater shoreline ecology, native species, and orienteering.

Estuary-focused nature center on Puget Sound — covers marine biology, tidal ecology, and Pacific Northwest watershed conservation.

Nature center in Laguna Coast Wilderness Park — covers coastal sage scrub ecology, native wildlife, and California biodiversity.

County nature center with trails, wildlife exhibits, and naturalist programs covering local ecology and Pennsylvania flora and fauna.

Self-guided birding trail network through NJ Pine Barrens habitat — covers avian biology, migratory ecology, and wetland ecosystems.

Hands-on exotic and farm animal petting zoo — animal husbandry, zoology basics, and direct animal interaction in a supervised setting.

Large Pennsylvania state park centered on Lake Nockamixon — freshwater ecology, geology, and outdoor biology with developed visitor facilities.

Historic Lake Minnetonka estate gardens — early-20th-century landscape design and northern-MN plants.