Sioux Falls State Penitentiary – Haunted Prison in Sioux Falls, South Dakota
The Sioux Falls State Penitentiary stands as a chilling monument to South Dakota’s darker history. For over a century, this imposing fortress of limestone held the state’s most dangerous criminals within its walls. The suffering and death that occurred here left an indelible mark on the property. Visitors and staff alike report experiencing unexplained phenomena…