The Brocken - The Soviet Spy Mountain
31:20
What Lies Beneath Berlin?
15:16
Meet the team still cleaning up after World War I | Zone Rouge
31:31
The Forst Zinna Rail Disaster | East Germany - 1988
28:01
The Cold War US / Soviet Nuclear Submarine Crash | Scotland - 1974
25:14
Secret Fourth Reich - The Naumann Circle Plot
42:36
Operation Foot | The British MI5 takedown of the Soviet KGB in Britain - 1971
43:54
Top Secret - Teufelsberg Spy Station
33:27