Classified for credit

Working shipyard museum in Bath covering wooden and iron shipbuilding history — combines maritime history with naval architecture and engineering.

State museum covering Maine's natural, cultural, and industrial history — strong hooks for geology, maritime history, and Maine's role in American industry.

NPS park commemorating Manhattan Project sites — covers WWII history, nuclear physics development, and the ethics of science in wartime.

WWII Japanese American incarceration site with NPS visitor center — covers civil liberties, wartime policy, and 20th-century American constitutional history.

Restored boyhood home and museum of Mark Twain in Hannibal, MO — covers 19th-century American literature, frontier childhood, and primary-source biography.

Restored Victorian home of Samuel Clemens with guided tours — covers 19th-century American literary history, social reform, and the life of Mark Twain.

NPS site preserving MLK Jr.'s birthplace and civil rights landmarks — primary-source 20th-century American history and civics.

Major Maryland history museum with collections spanning colonial through 20th-century history — supports Maryland state history and US history curriculum.

Preserved antebellum plantation site interpreting enslaved life and the Gullah Geechee heritage — primary-source American history.

Henry Mercer's concrete castle housing pre-industrial tools and trades — early American craft history, archaeology, and material culture.

State history museum in Lansing with exhibits tracing Michigan's development from Indigenous peoples through industrialization and the auto era.

Preserved 1890s steam railroad with excursion rides and restoration shop — covers railroad history, steam mechanics, and the role of rail in American industrial growth.

Mid-Continent Railway Museum with operating steam excursions and restored equipment — covers railroad technology and Midwest industrial history.

Preserved 18th-century rice plantation with formal gardens, working stable yards, and slave quarters — covers colonial agriculture, antebellum history, and landscape history.

Major state history center in St. Paul with broad exhibits on Minnesota's Native nations, immigration, and 20th-century social history.

Preserved Cold War Minuteman II ICBM launch facility with ranger-led tours covering nuclear deterrence history and missile technology.

Living-history museum and pioneer village in Montana — covers westward expansion, pioneer life, and American material culture through artifacts and reconstructed structures.

Large pioneer village and artifact museum covering American military, agricultural, and transportation history from settlement through the 20th century.

State-operated civil rights museum covering Mississippi's role in the Civil Rights Movement — primary-source exhibits on segregation, activism, and constitutional history.

Major St. Louis history museum covering westward expansion, the Civil War, and Missouri's role in American history with primary-source artifacts.

Civil War battlefield where Confederate forces threatened Washington D.C. — ranger-led programs cover military strategy, the war's Eastern Theater, and Maryland's divided loyalties.

Montana Historical Society collections cover Native American cultures, Lewis and Clark exploration, and frontier settlement with primary artifacts.

NPS monument preserving a 12th-century Sinagua cliff dwelling — covers pre-Columbian Native American architecture, archaeology, and Southwest indigenous history.

Navajo Nation visitor center set within iconic sandstone buttes — covers Diné cultural history, geology of the Colorado Plateau, and Southwest geography.