11. Moundsville Penitentiary (West Virginia)
The imposing walls of Moundsville Penitentiary conceal a darker secret beneath: ancient Adena burial mounds. Many attribute the prison’s relentless hauntings to the disturbed graves below, believing the restless spirits fuel the chilling phenomena. Visitors and staff alike have reported blood-curdling screams, shadowy apparitions, and an icy grip that lingers in certain cells. The mix of tragic history and sacred ground makes this site a hotspot for supernatural encounters. Official site
