Antietam National Battlefield

Antietam National Battlefield preserves the landscape of the bloodiest single day in American military history — September 17, 1862 — when Union and Confederate armies clashed across the rolling farmland near Sharpsburg in western Maryland, resulting in roughly 23,000 casualties in a single twelve-hour engagement. The battlefield stretches across 3,346 acres of preserved fields, woodlots, and creek corridor in the Appalachian foothills. Visitors typically begin at the visitor center, where a twenty-six-minute documentary orients them to the battle's three distinct phases: the dawn assault through the North Woods and Cornfield, the midday slaughter at Sunken Road, and the afternoon Burnside Bridge crossing. An eight-mile auto tour road with eleven marked stops is the most practical way to cover the full field; bicycles can follow the same lightly trafficked route. Sunken Road — known as Bloody Lane — is the most viscerally affecting stop. The depressed farm lane where Confederate forces held for three hours before being outflanked is preserved exactly as it appeared in 1862, with interpretive markers and a walkable trail along the lane itself. An observation tower at the Sunken Road provides a panoramic view over the contested ground. The Burnside Bridge, a graceful three-arch stone span built in 1836 over Antietam Creek, is a fifteen-minute walk from its parking area and is photographed most effectively from the creek bank below. Rangers lead ninety-minute guided tours twice daily from the visitor center. The Antietam National Cemetery, adjacent to the visitor center, is free to enter separately and holds the graves of 4,776 Union soldiers. September visitors may attend annual commemoration ceremonies on or near the September 17 anniversary, while October visitors encounter autumn foliage along the creek that adds unexpected beauty to the somber landscape.