Hidden Beneath the Cities (2026)

Name: Hidden Beneath the Cities
Genre: Documentary
Released: 2026-04-24

1 Season 10 Episodes Returning Series

Documentary

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.

Hidden Beneath the Cities (2026)

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Seasons | Watching Season 1

Episodes | Watching Episode 3 of 10

Underground Cities and Secret Chambers

Crystal Cathedrals and Buried Bunkers

Hidden Hypogeum and Lost Letters

Tunnels and Tombs

Labyrinths and Legends

Subterranean Secrets and Forgotten Foundations

Buried Battleship and Viking Victims

Bones Beneath and Coffins & Coins

Subterranean Seoul and Railway Revealed

Secret School and Concealed Castle Cemetery

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Seasons Watching Season 1

Episodes Watching Episode 3 of 10