Secret Nazi Ruins - Season 1 - Eps 6: Hitler's Invisible City
As the Soviet Army pushes the Nazis out of Poland, they discover a massive city of over a thousand buildings covering ten square miles that was unknown to the Allies, and using the latest science, experts reveal how Hitler was able to keep this sinister place hidden for so long. D.A.G. Fabrik Bromberg was a secret German explosives factory hidden in the Bydgoszcz Forest, providing a third of the munitions for Eastern Front.
About Secret Nazi Ruins

Title: Secret Nazi Ruins
First Air Date: 2019-09-05
Last Air Date: 2023-09-25
Status: Returning Series
Rating: 5.5/10 (from 6 votes)
Language: EN
Seasons: 3
Total Episodes: 20
Network: PLANÈTE+ Science
Genres: Documentary
Production Companies: Go Button MEDIA
Synopsis
From tunnels to towers, artillery sites, resistance nests and communication centers, Nazi Germany left their footprint throughout the world. To this day, silent remains still exist, sentinels guarding clues about plots that Hitler was unable to carry out. The collapse of the Third Reich left as many secrets as it did relics. Still today, remnants of the Nazi's schemes lie concealed in structures scattered across the globe. Skeletons of projects give way to mysteries. Conspiracies abound about science fiction scenarios. The Nazis were nothing if not methodical, and a deeper look reveals even darker plans. From tunnels to towers, artillery sites and communication centers; the remains of these schemes lie waiting to reveal truths about the Fuhrer's tactics and dreams in Secret Nazi Bases. What did Hitler have planned?
Cast

James MacPhee
Narrator

Richard Lynson
Narrator