Hidden Tunnels of Gibraltar

Name: Hidden Tunnels of Gibraltar
Released: 2022-06-09

S9TVPG

Originally aired June 9, 2022

A forgotten military fortification connected to a network of secret tunnels are mysteriously hidden within the Rock of Gibraltar; experts investigate and uncover a derelict war-torn complex constructed for a highly classified WWII spy operation.

Airings

Wed, Oct 7, 8:00 AM ET · DISCHidden Tunnels of Gibraltar