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8 Episodes
S2 E1 - Legend of the Nazi Gold
S2 E2 - King Solomon's Treasures
S2 E3 - Tesla's Final Secrets
S2 E4 - Doomsday Volcano of the Gods
S2 E5 - Atlantis in America
S2 E6 - Mystery of the Ice Cave
S2 E7 - Lost Pirate City Treasure
S2 E8 - Quest for the Gold Rush Fortune
Streaming, rent, or buy Secrets of the Underground – Season 2:
Currently you are able to watch "Secrets of the Underground - Season 2" streaming on Sky Go, Discovery+.
Synopsis
Scientist Rob Nelson investigates the strangest underground locations in the world, using the latest technology and research to shed new light on the secrets that lie just beneath our feet.
