Classified for credit

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.

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

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

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

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

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.

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

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

AZA-accredited zoo with strong conservation programs covering animal biology, endangered species, and Louisiana wetland ecosystems.

NPS national park with dramatic eroded buttes and fossil beds — covers geology, paleontology, ecology, and Great Plains geography.

NPS national park featuring eroded badlands formations, fossil beds, and mixed-grass prairie — geology, paleontology, and Great Plains ecology.

National monument preserving 13th-century Ancestral Puebloan cliff dwellings with ranger programs covering archaeology, geology, and indigenous history.

Iowa-class battleship museum on the Delaware River — covers WWII naval history, ship engineering, and U.S. military history across multiple conflicts.

Guided tours of a real underground coal mine explain extraction methods, mining geology, and the labor history of Appalachian coal country.

Remote Chihuahuan Desert national park with ranger programs covering geology, ecology, desert biology, and dark-sky astronomy.

Vast national park straddling the Chihuahuan Desert — covers desert ecology, geology, river systems, and Chihuahuan biodiversity with ranger programs.

Vanderbilt-era Gilded Age estate covering architectural history, American industrialism, and the social history of the late 19th century.

Original closed-system Earth science research facility with guided tours covering ecology, atmospheric science, biomes, and systems biology.

Major civil rights museum documenting the Birmingham movement, the 16th Street Baptist Church bombing, and the broader struggle for racial equality in America.

National park protecting coral reefs, mangroves, and Biscayne Bay — covers marine ecology, coral biology, and coastal geography with snorkel and boat tours.