Classified for credit

Preserved Minuteman ICBM launch facility and missile silo — covers Cold War deterrence strategy, nuclear technology, and 20th-century US military history.

Museum and library dedicated to Rosa Parks and the Montgomery Bus Boycott — covers civil rights history and 20th-century American civics.

Egyptian antiquities museum with authentic artifacts and a full-scale replica tomb — covers ancient Egyptian history, archaeology, and early science and medicine.

Heritage railroad through the Royal Gorge canyon — combines 19th-century railroad history with dramatic Rocky Mountain geology.

Pecos National Historical Park ruins trail — covers ancestral Pueblo civilization, Spanish colonial history, and Southwest archaeology.

NPS site preserving 10,000 years of Native American habitation in a cave — covers prehistoric archaeology, anthropology, and early American cultures.

Presidential library, museum, and historic home of Rutherford B. Hayes — covers Reconstruction-era politics, 19th-century presidency, and primary-source research skills.

Historic 1892 tabernacle that became the original home of the Grand Ole Opry — covers American music history, Nashville cultural history, and architecture.

In-situ Hohokam archaeological site with platform mound and museum — covers pre-Columbian Southwest cultures, irrigation agriculture, and archaeology methods.

Theodore Roosevelt's home preserved as an NPS site — covers Progressive Era politics, conservation policy, and presidential history.

National park preserving the home and studios of sculptor Augustus Saint-Gaudens — covers Gilded Age American history and figurative sculpture in its historical context.

NPS maritime park on Salem's historic waterfront — covers colonial trade, maritime commerce, and the Age of Sail through preserved wharves and historic structures.

Salem Witch Museum presents the 1692 witch trials through dramatic scenes and exhibits — primary-source colonial history, Puritan society, and civil-liberties themes.

Vintage excursion train through rural Georgia farmland — covers railroad history, Georgia agriculture, and the role of rail in regional economic development.

Historic tall ships and maritime museum at Hyde Street Pier — covers 19th-century naval architecture, Pacific Coast maritime trade, and seamanship.

NPS maritime visitor center at San Francisco's historic waterfront — covers 19th–20th century maritime history, ship engineering, and Pacific Coast trade.

California Spanish mission and 19th-century plaza district — covers Alta California mission history, Spanish colonialism, and early statehood.

NPS-managed 16th-century Spanish colonial fortifications in San Juan — covers Caribbean colonial history, military architecture, and US territorial history.

Revolutionary War battlefield park with visitor center and ranger programs covering the pivotal 1777 Saratoga campaign and its strategic significance.

Living-history farm at LBJ State Park with costumed interpreters demonstrating early-1900s Hill Country farming — covers agricultural history, pioneer life, and animal husbandry.

National Historic Landmark district with antebellum architecture, Colonial squares, and Civil War and Civil Rights history — urban planning and Southern U.S. history.

NPS site at a landmark Oregon Trail geological formation — covers westward migration, pioneer history, and Great Plains geography.

World's largest electric railway museum with 250+ restored trolleys — transportation history, electric traction engineering, and 20th-century urban transit.

54-mile civil rights trail commemorating the 1965 Voting Rights marches — covers Civil Rights Movement history and constitutional civics.