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Secret Nazi Ruins

True

Experts investigate and reveal an underground tunneling project below an enormous Renaissance castle that was seized by German forces in 1941.

Sunday, 19 July 3 airings
21:00
American Heroes Channel
S1 E2 · The Doomsday Castle
22:00
American Heroes Channel
S1 E5 · Mystery of the Nazi Nukes
23:00
American Heroes Channel
S1 E6 · Hitler's Invisible City
Monday, 20 July 5 airings
00:00
American Heroes Channel
S1 E4 · Hitler's Forbidden Island
01:00
American Heroes Channel
S1 E2 · The Doomsday Castle
02:00
American Heroes Channel
S1 E5 · Mystery of the Nazi Nukes
03:00
American Heroes Channel
S1 E6 · Hitler's Invisible City
04:00
American Heroes Channel
S1 E4 · Hitler's Forbidden Island
Wednesday, 22 July 2026 7 airings
12:00
Science
Mystery Beneath the Castle
13:00
Science
Secrets of Vogelsang Castle
14:00
Science
Secrets of the Owl Mountains
15:00
Science
Inside the Terror Factory
16:00
Science
Secret Relics of Nazi Research
17:00
Science
Secret Nazi City
18:00
Science
Underground Superweapons