Classified for credit

Oregon Caves NM features ranger-led marble cave tours — covers karst geology, cave formation, speleothem mineralogy, and cave ecology.

Hands-on pinball museum with 100+ playable machines — covers mechanical engineering, physics of motion, and electronics history.

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.

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

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

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

Hands-on estuarium with live Puget Sound marine specimens — covers estuarine ecology, marine biology, and Pacific Northwest watershed science.

Historic copper mine with underground tours and surface exhibits — covers hard-rock mining techniques, geology, and Michigan's 19th-century copper industry.

On-campus paleontology museum at The Webb Schools holding one of the nation's largest fossil collections — vertebrate paleontology and evolutionary biology.

Hands-on science center in Reading, PA with interactive exhibits covering physics, biology, and earth science for elementary through middle school learners.

Site of the first documented gold find in the US with underground mine tours — covers mineralogy, gold-rush history, and Piedmont geology.

Regional science center with planetarium, natural history, and technology exhibits covering astronomy, earth science, and physical science.

Hydroelectric dam visitor center on the Columbia River — covers electricity generation, fish ladders, river ecology, and civil engineering.

Live-steam railroad museum with operating miniature locomotives — covers mechanical engineering, steam power, and railroad history through hands-on rides and demonstrations.

Large-scale model railroad museum with multiple operating layouts — covers civil engineering, geography, and the history of rail transportation.

Natural history museum with fossil, gem, and wildlife collections — covers paleontology, geology, and California ecology with a full planetarium.

Marine science center on Stearns Wharf with live touch tanks and ocean exhibits — covers marine biology, tidal ecosystems, and Pacific Coast ecology.

Regional science center with hands-on STEM exhibits covering physics, technology, and space science — structured for school and homeschool groups.

Regional science center with hands-on exhibits in physics, technology, and natural science — directly supports STEM curriculum across grade levels.

Hands-on science discovery center with interactive exhibits covering physical science, biology, and technology for K–12 learners.

Hands-on science museum in Richmond with exhibits on physics, astronomy, technology, and Virginia's scientific heritage.

Interactive aquarium with live marine exhibits — covers marine biology, aquatic ecosystems, and animal adaptations.

Indoor aquarium in Auburn Hills, MI with interactive marine exhibits — marine biology, aquatic ecosystems, and invertebrate zoology.