

Underground Marvels
Periodo d’uso gratuito di discovery+ o acquisto
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Episodi
S2 E1 - Hotel Bunker of the Apocalypse
4 agosto 202142minExperts reveal how a nuclear bunker was concealed under a palatial hotel.Periodo d’uso gratuito di discovery+ o acquistoS2 E2 - Mystery of the Kentucky Cave
11 agosto 202142minExperts unearth a mystery from the longest known cave system in the world.Periodo d’uso gratuito di discovery+ o acquistoS2 E3 - Cincinnati's Secret Caverns
18 agosto 202141minExperts investigate deserted caverns beneath the streets of Cincinnati.Periodo d’uso gratuito di discovery+ o acquistoS2 E4 - Buried Lab of the Black Hills
25 agosto 202142minExperts investigate a cutting-edge underground laboratory in South Dakota.Periodo d’uso gratuito di discovery+ o acquistoS2 E5 - Ireland's Underground Alcatraz
1 settembre 202142minExperts reveal how an Irish military fortress transformed into a prison.Periodo d’uso gratuito di discovery+ o acquistoS2 E6 - Subterranean Silo Survival
8 settembre 202142minA decommissioned missile launch facility in Kansas remained one of the best kept subterranean military secrets of the Cold War, and now, experts reveal how this abandoned underground complex transformed into a state-of-the-art survival bunker.Periodo d’uso gratuito di discovery+ o acquistoS2 E7 - Italy's Subterranean Secret
15 settembre 202142minExperts explore a subterranean world discovered beneath an Italian city.Periodo d’uso gratuito di discovery+ o acquistoS2 E8 - Grand Canyon's Lost Treasure
22 settembre 202141minExperts explore the largest dry cave system in North America.Periodo d’uso gratuito di discovery+ o acquistoS2 E9 - Murder Raid Tunnels
29 settembre 202141minHidden 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.Periodo d’uso gratuito di discovery+ o acquistoS2 E10 - Medieval Maze of Secrets
6 ottobre 202142minA 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.Periodo d’uso gratuito di discovery+ o acquisto