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📍 Petros, Tennessee

Heavily Investigated

Carved into the coal-black mountains of Morgan County, Tennessee, Brushy Mountain State Penitentiary operated from 1896 to 2009 and earned a reputation as one of the most brutal prisons in American history. James Earl Ray, the assassin of Martin Luther King Jr., attempted his famous escape from here in 1977. The prison is now open for ghost tours and overnight investigations. Visitors report shadow figures in the cell blocks, disembodied voices in the tunnels, cold spots in solitary confinement, and the distinct feeling of being watched in the warden's quarters.