Classified for credit

Guided fossil prospecting experiences in the Black Hills — applied paleontology covering fossil identification, geological stratigraphy, and excavation methods.

Working research observatory on Palomar Mountain with public gallery and the historic 200-inch Hale Telescope — covers observational astronomy and optics.

Hands-on regional science center with interactive exhibits covering physics, biology, and earth science for K–12 learners.

Aquarium specializing in Florida manatee biology and rehabilitation — covers marine mammal science, conservation, and aquatic ecosystems.

NASA-affiliated museum honoring Huntsville's space program contributions — covers rocketry, aerospace engineering, and the history of human spaceflight.

Naval air test and evaluation museum with aircraft exhibits covering flight physics, aeronautical engineering, and the history of naval aviation testing at Patuxent River.

Chicago nature museum with a live butterfly haven, watershed exhibit, and hands-on ecology programming covering regional biodiversity and conservation.

America's only all-boat cave tour combined with a wildlife park — speleology, karst geology, cave formation, and Pennsylvania native wildlife biology.

Pennsylvania coal-mining museum near Knoebels with mine-tour exhibits covering geology, extraction methods, and the history of Pennsylvania's anthracite industry.

Children's imaginative STEM play space themed around a professor's workshop — delivers hands-on physics, engineering, and problem-solving for early learners.

Observatory atop a cable-stayed bridge tower offers hands-on lessons in structural engineering, suspension physics, and bridge design alongside historic Fort Knox.

Hands-on STEM exploration center (MESS = Math Engineering Science Stuff) — supports inquiry-based learning across physics, engineering, and math.

Regional museum with a planetarium and natural history and science exhibits — covers earth science, Illinois history, and astronomy.

State-operated trout hatchery with raceway tours and a natural-history museum — applied biology, fish reproduction, aquaculture, and freshwater ecology.

Self-guided loop trail through petrified wood formations in the North Dakota Badlands — covers paleobotany, fossilization, and Cretaceous-era geology.

Phoenix Gold Mine tour in Idaho Springs — hard-rock mining, gold extraction, and Front Range mining history.

Outdoor science playground on the Hudson River waterfront — hands-on physics and engineering concepts through play-based exhibits.

University of Oregon research observatory open for public star parties — covers telescope optics, stellar classification, and observational astronomy.

University of Oregon public observatory atop Pine Mountain — covers telescopic astronomy, optics, and dark-sky observing in a high-desert setting.

Working anthracite coal mine tour with narrow-gauge steam train — covers underground mining geology, coal formation, and Pennsylvania industrial history.

Former NASA satellite tracking facility now open for public astronomy programs — covers radio astronomy, space science, and telescope operation.

Public planetarium at Riverside City College — covers astronomy, the solar system, stellar physics, and celestial navigation through live dome presentations.

Full-dome digital planetarium inside a science center and aquarium — covers astronomy, the solar system, and light physics with immersive projection.

Full-dome planetarium inside NJ State Museum — covers astronomy, the solar system, and celestial mechanics.