Explore the tragic and revolutionary history of the H.L. Hunley, the Civil War submarine that made naval history by sinking the USS Housatonic in 1864.

Discover the fascinating, disputed origins of ‘Dixie’—from the Mason-Dixon Line to French bank notes—and how a minstrel song redefined the American South.

Discover the history of the Homestead Act of 1862. Learn how Lincoln’s landmark law shaped westward expansion, fueled economic hope, and impacted indigenous rights` and impacted indigenous lands.

Explore the evolution of aerial surveillance from Civil War balloons and camera-wearing pigeons to Cold War spy planes and modern military drones.

Discover the Battle of Gettysburg, the deadliest clash of the American Civil War. Explore its turning points, key figures, and lasting impact on the nation.