Classified for credit

Hawaiʻi's premier natural and cultural history museum with extensive Pacific Islander, Polynesian, and natural science collections.

National park featuring one of North America's deepest gorges — geology, erosion, plate tectonics, and riparian ecology with ranger programs.

Guided tours through active limestone caverns in the Ozarks — covers karst geology, speleothem formation, cave ecology, and hydrology.

469-mile National Parkway corridor — supports geography, Appalachian ecology, geology, and physical education via ranger programs and trails.

NPS park covering the Freedom Trail, USS Constitution, and Bunker Hill — primary-source American Revolution and early republic history.

Replica ships and interactive museum covering the 1773 Boston Tea Party — colonial taxation, protest, and the lead-up to the American Revolution.

Federally designated wilderness canoe area in northern Minnesota — covers freshwater ecology, boreal forest biology, navigation, and wilderness geography.

Federally designated wilderness canoe area covering over a million acres — supports ecology, freshwater biology, wilderness navigation, and physical education.

One of the world's largest zoos with strong conservation programs — covers animal biology, ecology, and global biodiversity.

National park featuring hoodoo geology, erosion science, and high-altitude ecology with ranger-led programs and marked trails.

National monument protecting a living coral reef ecosystem accessible by snorkeling and diving — covers marine biology, coral ecology, and Caribbean natural history.

Five-museum complex covering Buffalo Bill, Plains Indians, firearms history, and Western art — broad 19th-century American West curriculum.

World-class natural history and science complex with a living coral reef, planetarium, and rainforest dome — covers ecology, astronomy, and biology.

Major science center featuring Space Shuttle Endeavour and hands-on exhibits in aerospace, life science, and technology — broad STEM curriculum coverage.

California State Railroad Museum in Old Sacramento — Transcontinental Railroad history, locomotive engineering, and excursion-train rides.

Ancestral Puebloan cliff dwellings in a Navajo-managed canyon — covers archaeology, Indigenous history, and Southwest geography.

National park covering canyon geology, desert ecosystems, and Colorado River watershed — strong earth science, geography, and biology curriculum hooks.

National park featuring canyon, mesa, and river confluence geology — covers erosion, plate tectonics, desert ecology, and Colorado Plateau geography.

National seashore with beaches, dunes, freshwater ponds, and ranger programs — covers coastal ecology, erosion, and Atlantic shoreline geography.

National park with exposed Waterpocket Fold geology — supports earth science, desert ecology, stratigraphy, and physical geography.

National park featuring exposed geologic folds, reef fossil beds, and canyon hikes — covers plate tectonics, stratigraphy, and desert ecology.

Massive limestone cave system at a National Park — speleology, karst geology, bat biology, and cave ecosystem ecology.

Major natural history museum with extensive fossil, gem, and anthropology halls — covers paleontology, geology, evolutionary biology, and human origins.

Full-service space and science center with planetarium and telescopes — covers astronomy, astrophysics, earth science, and the history of space exploration.