Classified for credit

NPS fossil site preserving Columbian mammoth bones in situ — covers paleontology, Pleistocene ecology, and excavation methods with ranger-led tours.

One of the world's longest caves with boxwork spideleite formations and a surface bison prairie — geology, speleology, and ecology in one park.

Active paleontological dig site with lab and mounted skeletons — covers vertebrate paleontology, stratigraphy, and fossil preparation.

Yale's natural history museum with extensive fossil, mineralogy, and zoology collections — covers paleontology, evolution, and Earth science.

NPS fossil site preserving Miocene-era mammal beds — paleontology, stratigraphy, and the fossil record in an outdoor field setting.

State natural history museum with fossil, mineral, and biology collections — covers paleontology, geology, and Alabama ecology.

Federally permitted raptor rehabilitation center — avian biology, bird-of-prey anatomy, wildlife medicine, and Southeast Alaska ecosystem ecology.

Live reptile museum housing one of the world's largest rattlesnake collections — covers herpetology, venom biology, and snake ecology and conservation.

Oak Ridge national laboratory visitor museum covering nuclear fission, energy production, and the Manhattan Project's role in WWII science history.

DOE-affiliated museum in Oak Ridge covering nuclear energy science, Manhattan Project history, and atomic energy applications.

Museum in Oak Ridge, TN covering nuclear energy science and the Manhattan Project — nuclear physics, energy policy, and Cold War history.

Space museum near Kennedy Space Center with Mercury-era rockets and astronaut artifacts — covers aerospace engineering and the history of the US space program.

Indoor aquarium in Tempe with touch pools and marine exhibits — covers marine biology, ocean ecosystems, and aquatic adaptations.

Hands-on science center with interactive STEM exhibits covering physics, engineering, and technology concepts for elementary and middle-school learners.

Indoor insect museum on Canal Street covering entomology, insect life cycles, taxonomy, and the ecological roles of insects worldwide.

Autodesk's public gallery in San Francisco showcasing design, engineering, and digital fabrication technology — covers CAD, manufacturing, and applied STEM.

Guided underground tour of a working exhibition coal mine in West Virginia — covers coal geology, mining engineering, and Appalachian industrial history.

Amherst College natural history museum housing vertebrate paleontology and geology collections including significant dinosaur fossil specimens.

State site preserving Pleistocene megafauna fossil deposits — paleontology, Ice Age ecology, and early human interaction with extinct species.

Underground gold mine tour in the Black Hills — covers hard-rock mining geology, ore extraction methods, and Black Hills mining history.

Coastal marine science center on the NH seacoast with interactive exhibits on ocean biology, tidal ecology, and Gulf of Maine conservation.

Indoor aquarium featuring freshwater and marine species — covers aquatic biology, ecosystems, and animal adaptations.

Abandoned lead mine with underground tours covering geology, mining engineering, ore extraction history, and Missouri's industrial past.

Working federal hydroelectric dam with adjacent fish hatchery — covers electricity generation, fish biology, aquaculture, and Columbia River ecology.