Classified for credit

Federal elk refuge and visitor center covering ungulate ecology, Greater Yellowstone ecosystem biology, and wildlife conservation management.

Federal elk refuge outside Jackson with designated public viewing area — supports wildlife biology, migration ecology, and conservation policy.

Horse-drawn sleigh rides through the National Elk Refuge — wildlife biology observation of one of the largest elk herds in North America.

Museum at the trailhead of the Oregon, Santa Fe, and California trails — westward migration, manifest destiny, and pioneer social history.

Free outdoor sculpture garden on the National Mall — features monumental sculptures and seasonal ice rink; supports visual art appreciation and public art study.

Cultural center dedicated to Hispanic arts and heritage — covers Latin American history, visual arts, performing arts, and social studies from pre-Columbian to present.

Federal interpretive center on the Oregon Trail — covers westward migration, manifest destiny, pioneer hardship, and 19th-century American geography.

Federally operated interpretive center covering Oregon, California, Mormon, and Pony Express Trails — primary-source westward migration and manifest destiny history.

Dedicated U.S. Army infantry museum covering American military history from the Revolutionary War through present-day conflicts with artifacts and immersive exhibits.

Museum honoring inducted inventors with exhibits on the patent process, STEM careers, and landmark American inventions across technology and medicine.

Museum dedicated to jazz history in Harlem — covers African American cultural history, music theory, and the Harlem Renaissance.

NPS-managed complex of monuments, memorials, and green space along the National Mall — covers U.S. constitutional history, memorialization, and civic geography.

Smithsonian-affiliated museum on the Mississippi River covering river ecology, hydrology, towboat engineering, and the river's role in US history.

Smithsonian museum with permanent and rotating African art collections — covers African visual culture, history, and the role of art in society.

Smithsonian museum on the National Mall with extensive Asian art collections spanning millennia, supporting art history and world-cultures study.

Museum in Frederick, MD dedicated to Civil War medicine — covers period surgical techniques, public health, and battlefield triage as primary-source history.

Museum housed in a historic Bethlehem Steel facility covering industrial machinery, metallurgy, and the history of American manufacturing.

Free museum with permanent and rotating exhibits of Mexican and Chicagoland Mexican-American art — visual arts, cultural history, and social studies.

Large collection of military vehicles from WWII through modern era — covers 20th-century military history, engineering evolution, and US defense history.

Dedicated nuclear science and history museum covering fission, reactor design, the Manhattan Project, and Cold War weapons development.

Dedicated museum to the WWII Eighth Air Force — covers military aviation history, WWII theater strategy, and wartime social studies.

Official U.S. Navy museum at the Washington Navy Yard — comprehensive American naval history from the Revolution to present, including ship models and artifacts.

Art museum focused on wildlife and natural history subjects — bridges visual art with natural science and conservation themes.

DC museum dedicated to women artists across five centuries — supports art history, gender studies, and the history of women's contributions to visual culture.