Classified for credit

Active volcanic landscape with lava tubes, craters, and ranger programs — covers volcanology, plate tectonics, and island ecosystem formation.

Active volcanic landscape national park covering volcanology, plate tectonics, geology, and unique Hawaiian ecosystem biology.

Planetarium inside the American Museum of Natural History — covers astronomy, cosmology, and astrophysics through immersive dome shows and exhibits.

Large innovation museum with original Edison lab, early automobiles, and aerospace artifacts — covers industrial history, engineering, and American technological development.

Massive 1930s concrete-arch dam with powerplant tours covering hydroelectric generation, civil engineering, and Colorado River water management.

Hoover Dam visitor center and interior tours — covers hydroelectric power generation, civil engineering, concrete construction, and 1930s infrastructure history.

Major natural-history and science museum with permanent halls in paleontology, gems, space science, and energy — extensive STEM curriculum coverage.

NASA Stennis Space Center gateway museum covering rocket propulsion, space exploration, and engineering — adjacent to an active NASA test facility.

Dinosaur quarry and fossil education program in Dinosaur National Monument — covers paleontology, geology, and prehistoric ecosystems.

Decommissioned aircraft carrier with aircraft, submarine, and space shuttle exhibits — naval engineering, aerospace history, and Cold War civics.

NASA/Caltech facility managing robotic spacecraft missions — covers aerospace engineering, planetary science, and space exploration.

Third-longest cave in the world with ranger-led tours — covers speleology, geology, cave formation, and Black Hills ecology.

National Monument with exposed fossil beds spanning 45 million years — covers paleontology, stratigraphy, geologic time, and Pacific Northwest natural history.

National Monument fossil beds visitor center with paleontology exhibits covering Eocene–Miocene mammal evolution and Oregon's volcanic geology.

NPS fossil site with visitor center and exposed Cenozoic fossil beds — covers paleontology, geological time, and Oregon prehistory.

NASA visitor center with full-scale rockets, mission-control history, and active launch-site proximity — aerospace engineering and space science.

Full-scale Saturn V moon rocket displayed at Johnson Space Center — rocket propulsion, aerospace engineering, and Apollo program history.

Space-science museum in Hutchinson, KS with actual Mercury and Apollo hardware — covers rocket propulsion, astronomy, and U.S. space-program history.

NRAO's 27-antenna radio telescope array with a visitor center — covers radio astronomy, electromagnetic spectrum, and the engineering of large-scale scientific instruments.

Living cave with guided tours through calcite speleothems — covers cave geology, speleothem formation, and karst hydrology.

NASA's premier public visitor center with rockets, shuttle Atlantis, and launch simulators — covers aerospace engineering, orbital mechanics, and U.S. space program history.

Active fossil excavation site and museum where Ice Age megafauna are still being recovered — covers paleontology, geology, and taphonomy.

Soudan Underground Mine descends half a mile into a former iron mine and particle physics lab — covers geology, mining history, and cutting-edge neutrino research.

Active volcanic landscape with hydrothermal features, lava fields, and ranger programs covering volcanology and plate tectonics.