Wyoming Frontier Prison, Rawlins, Wyoming

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A maximum-security block, added in 1966, was reserved for those considered to need serious discipline. A total of 250 people died during the prison’s operation. The majority of these took their own lives, were victims of inmate violence or died of natural causes – but 14 were executed by gallows and, later, in a gas chamber.

America's abandoned prisons you can visit (msn.com)

Wyoming Frontier Prison, Rawlins, Wyoming A maximum-security block, added in 1966, was reserved for those considered to need serious discipline. A total of 250 people died during the prison’s operation. The majority of these took their own lives, were victims of inmate violence or died of natural causes – but 14 were executed by gallows and, later, in a gas chamber.