Classified for credit

Commercial fossil shop and exhibit in the Black Hills featuring real T. rex and other Cretaceous specimens — vertebrate paleontology and geological time.

Hands-on science center and children's museum — delivers physics, engineering, and early-literacy exhibits through interactive experimentation.

Hands-on science and technology center with aviation and space exhibits — covers engineering design, physics, and applied math.

Hands-on science center in Helena with interactive exhibits — covers physics, engineering, and earth science through direct experimentation.

Hands-on children's science and discovery center in Skokie with interactive exhibits covering STEM concepts and early learning.

Hands-on science center with a digital dome planetarium — covers physics, astronomy, and earth science through interactive exhibits.

Smithsonian-affiliated research observatory offering public tours covering astrophysics, telescope technology, and observational astronomy.

Vermont natural-history museum with working planetarium — covers astronomy, meteorology, New England natural history, and earth science through exhibits and sky shows.

Operational 19th-century water-powered grist mill with museum — covers mechanical engineering, water-wheel physics, grain milling processes, and Appalachian industrial history.

Ohio River fossil beds with interpretive center — covers paleontology, Devonian-era marine fossils, and river geology in a hands-on outdoor setting.

Hands-on marine life center on the Olympic Peninsula waterfront — supports Pacific marine biology, tidal ecology, and local aquatic species identification.

DeKalb County science center with a planetarium and observatory — covers astronomy, earth science, and natural history through exhibits and live programs.

Outdoor dinosaur park with life-size animatronic dinosaurs and interpretive signage — covers Mesozoic paleontology, fossil science, and prehistoric ecology.

University-based science center and full-dome planetarium with interactive exhibits — covers astronomy, physics, and earth science through hands-on displays and live shows.

Interactive discovery center focused on the Flint Hills tallgrass prairie ecosystem — ecology, geology, and Great Plains natural history.

Freshwater aquarium focused on the Flint River ecosystem — covers aquatic biology, Georgia native fish species, and watershed conservation.

Florida's only dry caverns with guided tours — covers speleology, geology, and karst formation in a rare limestone cave system.

Guided tours of Florida's only dry cave system — covers karst geology, speleothem formation, cave ecosystems, and the Florida aquifer.

Interactive aquarium in the Florida Keys with touch tanks, reef exhibits, and snorkel encounters — covers marine biology, coral reef ecology, and Florida Keys conservation.

Major natural history museum with extensive fossil, archaeology, and butterfly collections — covers paleontology, Florida ecology, and pre-Columbian archaeology.

Coastal marine education center with touch tanks, stingray lagoon, and estuary trails — covers marine biology, oceanography, and Indian River ecology.

National Monument preserving 34-million-year-old fossil beds — covers paleontology, stratigraphy, and volcanic geology through ranger programs and fossil walks.

Interactive center exploring food systems, agriculture, and farming technology — applied biology, nutrition science, and supply-chain economics.

Large transportation museum with locomotives, cars, motorcycles, and aircraft — covers mechanical engineering history and industrial technology.