Hidden Beneath the Cities

2026 ★ 6.0 TMDB 1 Season TV-PG IMDb TMDB TVDB Returning Series English
National Geographic
Trailer

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.

Documentary

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