Hidden Beneath the Cities - Season 1

Hidden Beneath the Cities - Season 1

Season 1

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.
Network
DatesApr. 24, 2026 - Mai 22, 2026

Episodes

Underground Cities and Secret Chambers
Season 1Episode 1

Underground Cities and Secret Chambers

Uncover a vast underground city in Turkey that served as a refuge for Christians and Jews. Investigate a mysterious chalk chamber in England, visit a secret Etruscan complex beneath an Italian wine cellar, and map an ancient tunnel network in Iran.

Apr. 24, 2026
Crystal Cathedrals and Buried Bunkers
Season 1Episode 2

Crystal Cathedrals and Buried Bunkers

Marvel at the crystal caves and underground chapels of Poland's Wieliczka salt mine. Tour a secret Cold War bunker in England, unearth a 3,400-year-old royal settlement in Egypt, and try to solve the mystery of China's enigmatic Longyou Caves.

Apr. 24, 2026
Hidden Hypogeum and Lost Letters
Season 1Episode 3

Hidden Hypogeum and Lost Letters

Investigate a tomb in Naples that may contain a prince who inspired the legend of Dracula. Read the desperate letters of Jewish rebels hidden in an Israeli cave, tour a 6,000-year-old labyrinth in Malta, and see the oldest human burial in Africa.

Mai 1, 2026
Tunnels and Tombs
Season 1Episode 4

Tunnels and Tombs

Crawl through a notorious brick-lined tunnel system in a historic Florida neighbourhood. Open a window into the lives of elite Greek families in Naples, explore a three-story underground city in Iran, and find 2nd-century barracks buried in Rome.

Mai 1, 2026
Labyrinths and Legends
Season 1Episode 5

Labyrinths and Legends

Explore a labyrinth built beneath Washington, D.C., by an eccentric entomologist. Admire a fresco-filled Roman mausoleum, spot intricate chambers carved into Colombia's volcanic rock, and see a sprawling network of hand-dug tunnels in Liverpool.

Mai 8, 2026
Subterranean Secrets and Forgotten Foundations
Season 1Episode 6

Subterranean Secrets and Forgotten Foundations

Walk the service tunnels hidden beneath Emperor Hadrian's lavish villa in Italy. Uncover a chilling mass grave from the Thirty Years' War in Germany, find the foundations of a Roman basilica in London, and glimpse Neolithic life on a Danish island.

Mai 8, 2026
Buried Battleship and Viking Victims
Season 1Episode 7

Buried Battleship and Viking Victims

Examine a Revolutionary War-era ship found in the rubble of the World Trade Center. Uncover a mass grave of Viking settlers in Oxford, visit the resistance bunkers of the Warsaw Ghetto Uprising, and tour a necropolis full of burial jars in Corsica.

Mai 15, 2026
Bones Beneath and Coffins & Coins
Season 1Episode 8

Bones Beneath and Coffins & Coins

Dig beneath the Treasury in Petra, Jordan, to find a sealed tomb containing 12 skeletons; unearth a hoard of coins hidden during a Scottish massacre, question the purpose of an empty grave in Peru, and inspect a Bronze Age leader's coffin in England.

Mai 15, 2026
Subterranean Seoul and Railway Revealed
Season 1Episode 9

Subterranean Seoul and Railway Revealed

Discovering a massive underground chamber hiding under the Seoul subway; visiting a medieval knight's limestone tomb in Poland; examining Roman ruins beneath a church in England; pondering the identity of a 10-million-year-old fossil in Los Angeles.

Mai 22, 2026
Secret School and Concealed Castle Cemetery
Season 1Episode 10

Secret School and Concealed Castle Cemetery

Visit a strange wood-lined tunnel beneath a Copenhagen train station. Locate one of North America's earliest schools for Black children in Virginia, excavate a warrior cemetery in Finland, and unearth a women-only burial plot beneath a Welsh castle.

Mai 22, 2026

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