Classified for credit

San Francisco maker and biotech community lab offering workshops in biology, electronics, and fabrication — covers applied science and engineering design process.

Presidential library with primary-source exhibits on LBJ's presidency, Great Society legislation, civil rights era, and Vietnam War policy.

NPS site at the Lewis and Clark Expedition's 1805–06 winter camp — covers exploration history, indigenous relations, Pacific Northwest geography, and natural history.

Hands-on children's museum with interactive exhibits — supports early literacy, basic math concepts, and introductory science exploration.

Guided tours of active limestone caverns in central Pennsylvania — covers geology, speleology, cave formation, and karst hydrology.

Commercial cave tour in Pennsylvania — covers karst geology, speleothem formation, and groundwater hydrology in an accessible underground setting.

NPS-managed Lincoln family home and neighborhood restored to 1860s appearance — covers Abraham Lincoln's pre-presidential life and Illinois history.

Guided tours through active limestone caverns in the Blue Ridge Mountains — covers speleology, karst geology, and cave ecosystem biology.

National monument battlefield with visitor center covering the 1876 Battle of Little Bighorn, Plains Indian history, and U.S. Army campaigns.

Deep canyon preserve with waterfalls and canyon-rim trails — covers canyon geology, river ecology, and Alabama's unique plateau biodiversity.

NPS site at the school central to the 1957 desegregation crisis — covers Civil Rights history, constitutional law, and federal vs. state authority.

Lookout Mountain overlooks the Civil War Chattanooga Campaign site — covers military strategy, Reconstruction, and Southern Appalachian geography.

Lost River Gorge features glacially carved flume and boulder caves in NH's White Mountains — covers geology, glaciation, and geomorphology through self-guided tours.

Hands-on children's museum with interactive exhibits in science, literacy, and math designed for early childhood learning.

Factory tour and museum showing how wood-turned baseball bats are manufactured, covering materials science and American sports history.

National park preserving 19th-century textile mill complex — covers Industrial Revolution, labor history, immigrant experience, and mechanical engineering.

NPS site preserving LBJ's Texas Hill Country ranch and boyhood home — covers the Great Society presidency and 20th-century U.S. political history.

Working shipyard museum in Bath covering wooden and iron shipbuilding history — combines maritime history with naval architecture and engineering.

State museum covering Maine's natural, cultural, and industrial history — strong hooks for geology, maritime history, and Maine's role in American industry.

Museum in Mammoth Lakes area documenting mammoth fossil discoveries — covers paleontology, Pleistocene megafauna, and Eastern Sierra geological history.

NPS park commemorating Manhattan Project sites — covers WWII history, nuclear physics development, and the ethics of science in wartime.

WWII Japanese American incarceration site with NPS visitor center — covers civil liberties, wartime policy, and 20th-century American constitutional history.

Iowa state park with 13 developed limestone caves — covers karst geology, speleology, cave ecosystems, and physical geography through self-guided and ranger programs.

Restored boyhood home and museum of Mark Twain in Hannibal, MO — covers 19th-century American literature, frontier childhood, and primary-source biography.