Science 2019 - 2021 시즌 2개 20화 TV-PG 진행 중

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Underground Marvels

2019 - 2021 시즌 2개 20화 TV-PG

6.8

시즌 2

결과 없음

시즌 1

시즌 2

전체 에피소드

42분

S2 · E1 · 2021년 8월 5일

Hotel Bunker of the Apocalypse 1화

The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades, and now, experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in US history.

42분

S2 · E2 · 2021년 8월 12일

Mystery of the Kentucky Cave 2화

The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history.

45분

S2 · E3 · 2021년 8월 19일

Cincinnati's Secret Caverns 3화

Deep beneath the streets of Cincinnati lies a network of deserted tunnels and caverns that contain a remarkable history of the city's origins, and now, experts investigate to reveal who built this underground labyrinth and why it was abandoned.

42분

S2 · E4 · 2021년 8월 26일

Buried Lab of the Black Hills 4화

Buried nearly a mile beneath the Black Hills of South Dakota is a cutting-edge laboratory at the forefront of astonishing scientific research; experts reveal advancements engineers achieved more than a century ago that keep it operating today.

42분

S2 · E5 · 2021년 9월 2일

Ireland's Underground Alcatraz 5화

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.

42분

S2 · E6 · 2021년 9월 9일

Subterranean Silo Survival 6화

Experts investigate a decommissioned underground missile launch facility.

42분

S2 · E7 · 2021년 9월 16일

Italy's Subterranean Secret 7화

An unprecedented landslide unveils a hidden world beneath a picturesque town in northern Italy, and now experts investigate this vast network of tunnels and passageways that stretch 300 feet underground to reveal the city's subterranean past.

42분

S2 · E8 · 2021년 9월 23일

Grand Canyon's Lost Treasure 8화

Descending more than 200 feet beneath the Arizona bedrock lies the largest dry cave system in North America; experts explore this vast subterranean network to reveal the mysteries and undiscovered treasure that remain hidden within its walls.

41분

S2 · E9 · 2021년 9월 30일

Murder Raid Tunnels 9화

Experts explore an extensive network of tunnels beneath Ramsgate, England.

42분

S2 · E10 · 2021년 10월 7일

Medieval Maze of Secrets 10화

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.

시즌 2 총 10화

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