Classified for credit

One of the largest waterfalls in the US by volume — geology, hydrology, Snake River canyon formation, and Idaho physical geography.

Wolf and wolf-dog sanctuary in Naples, FL offering educational tours — covers canid biology, wildlife rescue, and conservation ethics.

Acadia National Park nature center with ranger programs, natural-history exhibits, and Tarn trail access — covers coastal Maine ecology and geology.

Lake Michigan coastal state park with sand dunes and shoreline — Great Lakes coastal geology, dune ecology, and freshwater habitat biology.

Spring-fed river ecosystem with glass-bottom boat tours — covers freshwater biology, karst hydrology, and Florida wildlife ecology.

Canyon state park where the Popo Agie River sinks underground and resurfaces — geology, hydrology, and riparian ecology in a dramatic field setting.

Wyoming state park featuring the unique 'sinks' where the Popo Agie River disappears underground — covers karst hydrology, geology, and mountain ecology.

Wyoming state park visitor center where the Popo Agie River vanishes underground and resurfaces — karst hydrology, trout ecology, and Rocky Mountain geology.

Blue Ridge foothills state park with ranger programs covering Piedmont ecology, native plants and wildlife, and Appalachian mountain geography.

Arizona state park featuring a natural sandstone water slide on Oak Creek — supports geology, erosion, riparian ecology, and sedimentary rock study.

Nebraska's tallest waterfall in a ribbon of riparian canyon — covers Niobrara River ecology, Great Plains geography, and the biology of rare microhabitat zones.

Wild and scenic river corridor in Montana — ecology, riparian biology, geology, and geography along a federally protected waterway.

Oregon state park on the Crooked River — basalt-cliff geology, world-class climbing, and high-desert ecology.

BLM natural area along the Snake River hosting the densest concentration of nesting raptors in North America — covers raptor biology, prey ecology, and conservation science.

268-foot waterfall on the Snoqualmie River with publicly accessible overlooks — covers hydrology, river geomorphology, and Pacific Northwest ecology.

UT state park in red Navajo sandstone — desert geology, lava-tube ecology, and developed trail system.

Olympic National Park waterfall hike through old-growth temperate rainforest — covers Pacific Northwest ecology, hydrology, and old-growth forest biology.

Rugged California state park with rocky headlands and tide pools — covers coastal ecology, marine biology, wave dynamics, and Pacific geography.

Oregon coast state park adjacent to Yaquina Bay — coastal dune ecology, Pacific shore biology, and beach geomorphology with interpretive trail access.

Sixty-acre botanic garden developed on a former landfill — plant biology, horticultural science, and environmental restoration ecology.

Day-use area within Silver Falls State Park featuring Oregon's tallest waterfall — hydrology, Pacific Northwest forest ecology, and geology.

Texas state park on the South Llano River with exceptional bird habitat — supports riparian ecology, ornithology, and outdoor PE.

Private wildlife safari experience with exotic and native animals — supports zoology and wildlife conservation study.

Working farm in New Hampshire — applied agriculture, animal husbandry, and seasonal plant science for hands-on learning.