Name: Hidden Beneath the Cities
Uploaded: 2026-06-20T00:00:00Z
Duration: 42 min 22 s
Description: This documentary series pulls back the veil on the underground worlds hidden right beneath modern megacities. Each episode explores secret bunkers and ancient halls built for survival or ritual purposes. Viewers will get to see the tombs of Naples, the mysterious caves of England, the salt mines of Poland, and much more.

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Hidden Beneath the Cities

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Description

2026, Documentary, Canada, USA

Full HD

42 minutes

This documentary series pulls back the veil on the underground worlds hidden right beneath modern megacities. Each episode explores secret bunkers and ancient halls built for survival or ritual purposes. Viewers will get to see the tombs of Naples, the mysterious caves of England, the salt mines of Poland, and much more.

Available on devices

iOS
Android
Smart TV
Consoles
Media Players

Translation

English, Russian