If you're a fan of Ian Fleming and John le Carré, this next derelict diamond is sure to pique your interest. Another find by Leland Kent of Abandoned Southeast, the hacienda-style home, known as the Outlaw House, was a treasure trove of clandestine secrets.

Once located in rural Alabama, the property was formerly owned by the enigmatic G. C. Outlaw, identified in 1918 archive records as an FBI agent –  documents show that he even investigated threats made by the infamous Ku Klux Klan.