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Where to watch "Mundos Subterrâneos"
10. Medieval Maze of Secrets
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A forgotten world of ancient underground passages and medieval engineering lies hidden beneath the town of Exeter, England; experts investigate and reveal how this ambitious tunnel system was the result of one of the deadliest epidemics in history.
9. Murder Raid Tunnels
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Hidden beneath the town of Ramsgate, England, lies a hidden network of over three miles of air raid tunnels; experts investigate and uncover an extensive WWII bomb shelter that became a permanent refuge for many civilians after a devastating attack.
8. Grand Canyon's Lost Treasure
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Experts explore the largest dry cave system in North America.
7. Italy's Subterranean Secret
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Experts explore a subterranean world discovered beneath an Italian city.
6. Subterranean Silo Survival
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Experts investigate a decommissioned underground missile launch facility.
5. Ireland's Underground Alcatraz
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Subterranean military fortresses situated on the southern coast of Ireland have protected against enemy invasion for over 400 years, and now, experts investigate how this powerful stronghold transformed into a brutal and terrifying prison.
4. Buried Lab of the Black Hills
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Experts investigate a cutting-edge underground laboratory in South Dakota.
3. Cincinnati's Secret Caverns
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Experts investigate deserted caverns beneath the streets of Cincinnati.
2. Mystery of the Kentucky Cave
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The longest known cave system in the world spans hundreds of miles beneath the wooded hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of US history.
1. Hotel Bunker of the Apocalypse
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Experts reveal how a nuclear bunker was concealed under a palatial hotel.
