Eastern State Penitentiary – Pennsylvania, USA
Known for being one of the first prisons to introduce and practice solitary confinement, visitors to Eastern State Penitentiary, which was closed in 1971, have reported seeing shadowy figures in specific cells and watchtowers. In addition to the startling figures, visitors have also reported hearing disembodied footsteps, evil cackling, distant voices, and the banging of cell doors. Though the paranormal reports began as early as the 1940's, they increased in frequency once the prison was abandoned, and the paranormal activity seems to be strongest in cell blocks 4, 6, and 12.