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TVPGHidden Beneath the Cities45mNational Geographic

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.

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.

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Hidden Beneath the Cities

S1, EP3 "Hidden Hypogeum and Lost Letters"

Archaeologists find a tomb, a haunting cave, and a sophisticated labyrinth.

Hidden Beneath the Cities

S1, EP4 "Tunnels and Tombs"

Explorers discover tunnel systems, a sprawling city, and military barracks.

Hidden Beneath the Cities

S1, EP5 "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.

Hidden Beneath the Cities

S1, EP6 "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.

Hidden Beneath the Cities

S1, EP10 "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.

Hidden Beneath the Cities

S1, EP9 "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.

Hidden Beneath the Cities

S1, EP8 "Episode 8"

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.

Hidden Beneath the Cities

S1, EP7 "Episode 7"

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.

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.
Original Air Date: Feb 25, 2026
Genres: DocuseriesTV Series
Rating: TVPG
Playback: HD
1 seasons available on demand
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