Secrets of the Underground

2017

Eligible

Season 2 episodes (8)

1 Legend Of The Nazi Gold

3/25/18

A legendary train filled with stolen Nazi gold is said to be hidden in Poland. Rob and Stefan explore deep under the earth's surface to uncover the truth.

2 King Solomon's Treasures

4/1/18

Priceless gold and silver artefacts are believed to be lost in King Solomon's hidden mines. Rob and Stefan search for the legendary treasure.

3 Tesla's Final Secrets

4/8/18

Nikola Tesla died before he finished a mysterious, earth-shattering invention. But the ground beneath his only remaining lab may hold clues.

4 Doomsday Volcano Mystery

4/15/18

Beneath the densely populated city of Naples lies a looming threat. A super volcano may be on the verge of erupting and causing an apocalyptic catastrophe.

5 Atlantis In America

4/22/18

New theories claim the sunken city of Atlantis may have been in the Americas. From the Bahamas to an ancient site in Louisiana, Rob and Stefan seek the evidence.

6 Mystery Of The Ice Cave

4/29/18

A strange cave freezes in summer and melts in winter, and a huge sand dune swallows a small child in an instant. Rob and Stefan explore these mysteries.

7 Lost Pirate City Of Treasure

5/6/18

When an infamous pirate city sunk into the sea, a huge treasure may have gone with it. Could cutting edge technology reveal its resting place?

8 Quest For The Gold Rush Fortune

5/13/18

In California Rob and Stefan explore a cave, rumoured to house 100 pounds of gold, stashed away during the Gold Rush. Can their tech end the mystery?

About this show

For millions, the underground’s biggest mystery is simply how to find a seat on the Northern Line. But as Secrets Of The Underground shows, there is plenty more going on beneath the surface than meets the eye. Sprawling subterranean worlds live right below our feet; bizarre phenomena and histories long thought lost lie waiting to be uncovered.

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