Series

Watch Underground Marvels (2019) Online

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6.52 votes2019TV-PG45mReturning SeriesDocumentaryOfficial site

Synopsis

Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.

Episodes

Season 1

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1. Secrets of the RockNow viewing2019-10-1745mA hidden, subterranean city built within the Rock of Gibraltar was an immense fortress to control the seas during World War II, and new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.
2. Mystery of the Lost Labyrinth2019-10-2445mA strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.
3. Secrets of the Terror Tunnels2019-10-3145mA vast system of tunnels built almost three thousand years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.
4. The Renegade's Lair2019-11-0745mA strange underground system known as the Black Cave was home to an infamous nobleman on the run from the law; today, experts investigate the secrets he left here to discover new parts of this mysterious network.
5. Cave of the Body Snatchers2019-11-1445mAn eerie system of underground vaults in Scotland was once the hideout for thieves who stole newly-buried bodies and sold them; today, experts are excavating these rubble-filled caves to reveal the secrets of what these bandits left behind.
6. World's Biggest Labyrinth2019-11-2145mThe world's biggest labyrinth is a 1,553-mile cave system that's home to some of history's darkest mysteries, and new discoveries at this strange place reveal the long-lost secrets of Nazi occupation, Soviet revolution, and Cold War subterfuge.
7. Treasures of the Lost Mine2019-12-0545mCaverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on earth, and experts and treasure hunters use cutting-edge tech to follow rumors of a mysterious long-lost mine in search of a payday.
8. Ghosts of the Hell Maze2019-12-1245mA labyrinth of tunnels in the French countryside has served as a secret hideout during wartime for centuries. On its walls, experts have discovered the final confessions of soldiers who fought here during one of the deadliest days of World War I.
9. Conspiracy in the Buried City2019-12-1945mA buried ancient city hidden five stories underground, and to keep its location secret from invaders, its residents devised an ingenious trick; experts reveal what it was, and using the latest tech, they reveal the truth behind this strange place.
10. Curse of Cannibal Caves2019-12-2645mA mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.

Cast

Top Billed Cast

Chris Jarman
Self - Narrator (voice)

Availability

Where To Watch Legally

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FAQ

Frequently Asked Questions

Is Underground Marvels available to watch online?

Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.

How many seasons does Underground Marvels have?

Underground Marvels has 2 seasons and 20 episodes.

When did Underground Marvels first air?

Underground Marvels first aired in 2019.

Is Underground Marvels still running?

Yes, Underground Marvels is an ongoing series.

What genre is Underground Marvels?

Underground Marvels is classified as Documentary.