Many people believe that Eastern State Penitentiary is haunted. As early as the 1940s, officers and inmates reported mysterious visions and eerie experiences in the ancient prison. And the ghost sightings have only increased since Eastern State was abandoned in 1971.
With the growing interest in paranormal investigation, Eastern State Penitentiary may now be the most carefully studied building in the United States. Dozens of teams visit to explore the site each year.
Here is some of what they found, and some of the reported ghost sightings at Eastern State Penitentiary:
