Gettysburg is the most haunted place in America — or at least, it is the place where the most Americans believe they have encountered ghosts. The battle of July 1-3, 1863, killed approximately 7,058 men and wounded over 33,000 on a landscape of farms, orchards, and ridgelines covering roughly 25 square miles. The dead were buried hastily in shallow graves, in farm fields, beside stone walls. For months after the battle, the smell of decomposition hung over the town. Residents reported seeing apparitions almost immediately.

The ghost traditions at Gettysburg are layered. Some are specific and recurring: phantom soldiers marching on Little Round Top, the sound of drums and rifle fire in the Devil's Den, a spectral woman in white at the Triangular Field, cold spots in the basement of the Farnsworth House (used as a Confederate sharpshooter position). Others are atmospheric — visitors reporting overwhelming feelings of dread, sadness, or disorientation at specific spots on the battlefield.

Gettysburg's ghost mythology serves a cultural function beyond entertainment. It keeps the dead present. In a nation that has largely forgotten the scale of Civil War carnage — 620,000 dead, more than all other American wars combined until Vietnam — the ghost stories insist that something remains. The land remembers even if the living forget.