Secrets of the Underground

  • 2017
  • 2 Seasons
  • TV-PG

A look at underground locales uses technology and research to shed light on the secrets that lie just beneath our feet.

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Season 2 Episode Guide

Tesla's Secret Invention

Season 2, Episode 13

February 24, 2019

Lost Treasures Of Jerusalem

Season 2, Episode 12

February 24, 2019

Escaping The Law

Season 2, Episode 11

January 28, 2019

Quest for the Gold Rush Fortune

Season 2, Episode 8

December 16, 2017

Lost Pirate City Treasure

Season 2, Episode 7

December 9, 2017

Mystery of the Ice Cave

Season 2, Episode 6

December 2, 2017

Atlantis in America

Season 2, Episode 5

November 25, 2017

Doomsday Volcano Mystery

Season 2, Episode 4

November 18, 2017

Tesla's Final Secrets

Season 2, Episode 3

November 11, 2017

King Solomon's Treasures

Season 2, Episode 2

November 4, 2017

Legend of the Nazi Gold

Season 2, Episode 1

October 28, 2017

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