Classified for credit

NPS fossil monument in Las Vegas preserving Ice Age megafauna sites — covers paleontology, geology, and Pleistocene ecology.

Univ. of Michigan natural-history museum — paleontology, dinosaurs, anthropology, and a planetarium.

University of Nebraska natural history museum with one of the largest elephant fossil collections in the world — paleontology, geology, and evolutionary biology.

Restored WWII tank landing ship open for tours — covers naval engineering, amphibious warfare logistics, and WWII military history.

University of Wisconsin geology museum with fossil casts, minerals, and a mastodon skeleton — covers paleontology, mineralogy, and earth science.

NASA-affiliated air and space center with aircraft, spacecraft, and interactive exhibits — aeronautics, orbital mechanics, and space exploration history.

Living museum combining aquarium, wildlife exhibits, and planetarium — covers Virginia native species, ecology, and astronomy.

State natural history museum with fossil, geology, and biodiversity exhibits — covers paleontology, earth science, and Virginia ecology.

Museum featuring master carver Ernest Warther's intricate working steel models of locomotive evolution — covers mechanical engineering, materials science, and craft history.

Hands-on mountain ecology center in Colorado's Front Range — covers forest ecosystems, wildlife biology, and Rocky Mountain natural history.

Hands-on science and math museum for children — exhibits cover physics, biology, and engineering through interactive experiments.

Raptor rescue and education center with resident birds of prey — covers avian biology, wildlife rehabilitation, and bird-of-prey adaptations.

Outdoor mining complex and museum in Butte documenting hard-rock copper mining — geology, mineralogy, and industrial history.

Hands-on nature and science center at Sanborn County Park — supports biology, ecology, and earth science through live animals and interactive exhibits.

Museum dedicated to 20th-century technology artifacts — covers the evolution of electronics, computing, and mechanical engineering.

Museum covering buoys, beacons, and lighthouse technology used in maritime navigation — supports optics, geography, and maritime history.

Regional aviation museum with historic military and civilian aircraft — covers aerodynamics, aerospace engineering history, and combat aviation.

Commercial cave tour through alabaster gypsum formations in NW Oklahoma — speleology, sedimentary geology, and cave ecosystem biology.

Historic research observatory open for public tours — covers telescope optics, stellar astronomy, and the history of observational astronomy.

Museum tracing the history of computing from abacus to modern processors — covers computer science, mathematical logic, and technology innovation.

Museum dedicated to maple sugar production — covers tree biology, sap chemistry, boiling-point science, and the agricultural history of New York's North Country.

Open-air museum of working antique gas and steam-powered farm equipment — covers mechanical engineering history, thermodynamics, and agricultural technology.

Museum dedicated to Argus cameras and photographic history — covers optics, photography technology, and the science of image formation.

State museum covering Arkansas oil and natural-gas history with drilling equipment and petroleum-geology exhibits — earth science and energy curriculum.