Hidden Beneath the Cities
Returning Series2026
Documentary
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Overview
Uncovers the extraordinary worlds lying just below modern urban centers. Beneath the streets of stone, soil and concrete exist hidden realms shaped by survival, ritual and imagination. Uncovers the extraordinary worlds that exist beneath major urban centers, from the tombs and wartime shelters of Naples to the manmade Royston Cave in Hertfordshire, England.
Seasons
Season 1
Season discussion10 episodes · April 24, 2026
Hidden Beneath the Cities uncovers the extraordinary worlds lying just below modern urban centers. Beneath the streets of stone, soil and concrete exist hidden realms shaped by survival, ritual and imagination. Uncovers the extraordinary worlds that exist beneath major urban centres, from the tombs and wartime shelters of Naples to the man made Royston Cave in Hertfordshire, England.
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