Kilmainham Gaol in Dublin is one of the most historically significant buildings in Ireland. The prison, which operated from 1796 to 1924, held many of the leaders of every major Irish rebellion, including Robert Emmet, Charles Stewart Parnell, and the leaders of the 1916 Easter Rising, fourteen of whom were executed by firing squad in the prison's stone-breaking yard. The prison has been a museum since 1966, and its haunted reputation has grown with each decade. Lights throughout the building turn themselves on and off, footsteps echo through the empty cell blocks, and visitors report seeing the apparitions of men in early 20th-century clothing in the corridors of the East Wing. The execution yard, where the Rising leaders were shot at dawn, is considered the most spiritually charged area — some visitors describe an overwhelming sense of defiance and courage rather than fear, as though the spirits of the revolutionaries remain proud and unbroken. Staff have reported hearing what sounds like soldiers' boots marching on stone and the metallic sound of rifles being readied. Kilmainham Gaol's ghost stories are inseparable from the story of Irish independence itself — the prison is both a shrine and a haunted monument to the men and women who gave their lives for Ireland.