Classified for credit

NPS military park preserving the site of the Civil War's bloodiest two-day battle — ranger programs cover tactics, soldier life, and the war's Western Theater.

Ancestral Puebloan cliff dwelling in Mesa Verde NNP with ranger-led tours — covers pre-Columbian history, archaeology, and Southwest Native cultures.

NPS park encompassing Jamestown and Yorktown — covers English colonial settlement and the decisive final campaign of the Revolutionary War.

Living-history village recreating 18th-century colonial life with costumed interpreters, trades demonstrations, and primary-source American history.

Reconstructed colonial Virginia Capitol with costumed interpreters — covers colonial governance, the road to independence, and 18th-century civic life.

Living-history village and interactive park recreating 1800s Indiana frontier life with costumed interpreters and hands-on pioneer activities.

Narrow-gauge heritage railroad through the San Juan Mountains — covers railroad history, westward expansion, and high-altitude Rocky Mountain geography.

Historic narrow-gauge steam railroad running through the San Juan Mountains — covers railroad engineering history, Colorado mining era, and mountain geography.

Winter estates of Thomas Edison and Henry Ford with labs and gardens — covers invention history, industrial science, and early 20th-century technology.

Federal immigration station where 12 million immigrants were processed — primary-source American history, civics, and immigration policy.

NPS site documenting immigrant processing at America's busiest 19th–20th century entry point — covers immigration history, civics, and primary-source analysis.

Federal immigration processing station turned national museum — primary-source study of U.S. immigration history, citizenship, and Ellis Island's role in American identity.

Frank Lloyd Wright's Fallingwater is a National Historic Landmark illustrating organic architecture, engineering design principles, and 20th-century design history.

NPS site preserving the theater where Lincoln was assassinated — covers Civil War era, presidential history, and Reconstruction with museum exhibits.

NPS site where Lincoln was assassinated — covers Civil War conclusion, presidential succession, and 19th-century American political history with museum exhibits.

Civil War fort where the first shots of the war were fired — covers antebellum politics, military history, and the causes of the Civil War.

NPS unit encompassing four major Civil War battle sites near Fredericksburg — covers military strategy, the Eastern Theater, and the human cost of the Civil War.

NPS site commemorating westward expansion — covers 19th-century American migration, manifest destiny, and engineering of the iconic arch.

Living-history village with 68 restored 19th-century structures and costumed interpreters covering pioneer agriculture, trades, and rural life from 1790–1870.

George Washington's estate and presidential library — covers colonial life, the Revolutionary War, and the founding of the American presidency.

George Washington's restored plantation home and working farm — covers the colonial era, founding-era leadership, agriculture, and the lived experience of enslaved people.

Narrow-gauge heritage railroad with gold/silver mine tour — covers Colorado mining history, ore extraction, and 19th-century industrial technology.

Self-guided auto tour of Gettysburg National Military Park — covers Civil War tactics, Pennsylvania's role, and the war's turning-point significance.

NPS Civil War battlefield with visitor center, cyclorama, and ranger programs covering the 1863 turning-point battle and its political consequences.