Overview
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
RATING
6.5
CREATED BY
COUNTRIES
United Kingdom
United States of America
SEASONS
2
EPISODES
GENRE
Documentary
Tv Series Trailer
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S02E10
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.
