Mysteries of the Abandoned

Escobar's Castle (4x3)

Air date: Apr 18, 2019

The ruins of a once-palatial compound contain the secrets of one of history's most notorious criminals. 1) Hacienda La Manuela, Guatapé, Colombia; 2) The Zeppelin Bunker, Wünsdorf, Germany; 3) Sao Domingos Mine, Alentejo, Portugal; 4) Denge Sound Mirrors, Dungeness Peninsular, Kent, UK