Classified for credit

Living botanical collection with conservatories and themed gardens — covers plant biology, ecology, and conservation across diverse biomes.

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

Oldest railroad museum in the US with operating roundhouse and locomotives — covers railroad history, industrial technology, and 19th-century economic development.

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

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

Large urban cultural and natural park hosting museums, gardens, and a zoo — supports multi-subject study across science, history, and natural history.

Ranger-guided tour of a preserved Ancestral Puebloan cliff dwelling at Mesa Verde — covers Native American history and archaeology.

Major urban aquarium with multi-story reef, shark exhibit, and dolphin presentations — covers marine biology, oceanography, and animal adaptation.

Major encyclopedic art museum with permanent and rotating exhibits spanning painting, sculpture, and decorative arts across centuries.

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

Ancestral Puebloan cliff dwellings with NPS ranger programs — Native American archaeology, Southwest cultural history, and high-desert ecology.

World-class motorcycle and racing car collection spanning 100+ years — mechanical engineering history and automotive design.

Major Philadelphia art foundation with an encyclopedic Impressionist and Post-Impressionist collection presented with an educational framework.

Preserved WWII-era battleship, destroyer, and submarine open for self-guided tours covering naval history and ship engineering.

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

Decommissioned WWII-era Iowa-class battleship museum in San Pedro — naval engineering, WWII history, and Cold War military strategy with extensive walk-through access.

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

UC Berkeley natural history museum complex covering paleontology, zoology, entomology, and anthropology through research-grade collections.

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.

Scripps Institution of Oceanography public aquarium — marine biology, ocean chemistry, climate science, and Pacific coastal ecology.

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