Classified for credit

Free admission city zoo with diverse animal collection — supports zoology, animal adaptation, and conservation education.

Free admission zoo with diverse animal collection and conservation programming — supports zoology, animal biology, and wildlife conservation units.

Living-history farm and village in West Virginia with restored structures and tools demonstrating 19th–20th century Appalachian rural life.

Living-history park with preserved 19th-century structures — covers Wisconsin settlement, ethnic heritage, and daily frontier life through costumed interpretation.

Outdoor living-history village on the Miami-Erie Canal traces Ohio pioneer and canal-era life through period structures and craft demonstrations.

Living-history village with restored 19th-century Ohio structures — covers pioneer domestic life, trade, and regional settlement history.

Major Houston urban park anchoring the Museum District — botanical garden, Japanese garden, and natural areas support ecology, geography, and outdoor education.

Guided factory tour of a large-scale snack food production facility — covers food science, manufacturing processes, quality control, and supply-chain economics.

College-affiliated museum in Twin Falls with planetarium, anthropology, and natural-science collections — covers astronomy, archaeology, and regional natural history.

Coastal science center on the St. George Peninsula with aquaculture, marine biology, and ocean-ecology programs tied to the working fishing industry.

23-acre botanical garden founded by Milton Hershey — covers plant taxonomy, horticulture, and seasonal ecology with themed garden collections.

Factory tour and interactive attraction at Hershey showing cocoa-to-chocolate production — covers food science, manufacturing, and agricultural supply chains.

Idaho's oldest state park on Lake Coeur d'Alene — wetland ecology, old-growth forest, and migratory bird habitat with ranger programs.

Tulalip Tribes cultural center covering Coast Salish history, language, and natural history of the Pacific Northwest — integrates Native American history, ethnobotany, and oral tradition.

Living-history museum in Boone, NC re-creating 18th-century Appalachian frontier life with period demonstrations and costumed interpreters.

Pennsylvania state park featuring a boulder field National Natural Landmark — supports glacial geology, ecology, and outdoor PE curriculum.

Active cave system with museum covering karst geology, hydrology, and cave ecology alongside conservation history.

Hands-on animal encounter farm with domestic and exotic animals — supports basic zoology, animal care, and life-science observation for younger students.

NJ state park at the highest point in the state — Appalachian geography, forest ecology, glacial geology, and Appalachian Trail access.

Metro park along the Olentangy River with fossil-bearing shale outcrops, raptor center, and naturalist-led programs.

One of Florida's oldest state parks preserving old-growth cypress and hardwood hammock — covers subtropical ecology, botany, and conservation biology.

Robert Todd Lincoln's Vermont estate with preserved home, formal gardens, and working farm — covers Lincoln family history, Gilded Age life, and early 20th-century agriculture.

Florida state park on the Hillsborough River with hiking, paddling, and a historic fort site — supports ecology, river biology, and Florida history.

Estate museum with Russian decorative art and formal gardens — covers early-20th-century art collecting, Cold War-era social history, and horticulture.