Classified for credit

Major Great Lakes aquarium at the Shedd Aquarium — marine biology, aquatic ecosystems, and animal behavior through live exhibits and dolphin programs.

Major presidential library and museum with primary-source documents and artifacts — covers Lincoln's presidency, Civil War, and constitutional history.

One of the oldest natural science museums in the US — covers paleontology, mineralogy, ornithology, and ecology through extensive specimen collections.

Coastal Maine national park with tide pools, forests, and rocky summits — covers marine ecology, geology, and New England natural history.

World-class planetarium and astronomy museum on Chicago's lakefront with hands-on space science exhibits and live sky programs.

Large Delaware River aquarium with shark touch tanks and hippo habitat — covers marine biology, aquatic ecosystems, and animal adaptations.

Hands-on science center in Nashville with planetarium and interactive STEM exhibits — covers physics, earth science, astronomy, and applied math concepts.

Working steam locomotive roundhouse with restoration shop — covers railroad history, steam engineering, and 19th-century industrial technology.

Aerospace and science museum in Portage, MI with historic aircraft, flight simulators, and space exhibits — covers aeronautics, physics of flight, and aviation history.

Former federal penitentiary on San Francisco Bay — covers U.S. penal history, Civil War fortifications, and island ecology via ranger-led tours.

American bison herd at Bronx Zoo within a major AZA-accredited conservation zoo — covers large mammal biology, Great Plains ecology, and species conservation history.

World-class natural history museum with paleontology, anthropology, and astrophysics halls — covers earth science, biology, and human origins.

Dedicated American Revolution museum at the Yorktown battlefield site — covers colonial history, military strategy, and the founding of the United States.

Site of the bloodiest single day in American military history — Civil War tactics, strategy, and the political context of the 1862 Maryland Campaign.

600,000-acre California desert state park featuring geological formations, wildflower blooms, and diverse desert ecosystems — strong geography and earth-science curriculum hook.

Kennedy Space Center facility housing a restored Saturn V rocket — covers Apollo mission history, rocket propulsion, orbital mechanics, and space program engineering.

Major public aquarium with over 11,000 animals from Pacific habitats — covers marine biology, ocean ecology, and conservation science.

National park featuring over 2,000 sandstone arches — covers geology, erosion, desert ecology, and physical geography in a hands-on outdoor setting.

Large hands-on science center in Phoenix with planetarium and exhibits covering physics, life science, and technology.

Zoo and botanical garden combined into a living museum of the Sonoran Desert — regional ecology, desert adaptation, herpetology, and conservation biology.

World-class fine art museum with encyclopedic collections spanning antiquity to contemporary — supports art history, visual arts, and Western civilization curriculum.

In-situ fossil excavation site preserving Miocene megafauna killed by volcanic ash — covers paleontology, geology, and prehistoric ecology.

National seashore barrier island with wild ponies, migratory birds, and tidal ecosystems — coastal ecology, wildlife biology, and conservation.

National seashore barrier island with wild ponies, tidal marshes, and Atlantic beach ecosystems — covers coastal ecology, barrier-island geology, and wildlife biology.