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Where to watch "Secrets of the Underground"
8. Quest for the Gold Rush Fortune
No release date yet
Millions of dollars of stolen Gold Rush treasure is rumored to have been stashed in a cave in Northern California. Rob Nelson and Stefan Burns use cutting-edge technology to search for the legendary treasure.
Discovery+
Apple TV+ (itunes)
7. Lost Pirate City Treasure
No release date yet
When an infamous pirate city sunk into the sea after a massive earthquake, a wealthy pirate's treasure might have disappeared with it. Rob Nelson and Stefan Burns use cutting-edge technology to hunt for the legendary lost pirate treasure of Henry Morgan.
6. Mystery of the Ice Cave
No release date yet
Cave freezes in summer, melts in winter.
4. Doomsday Volcano Mystery
No release date yet
Investigating a massive supervolcano.
3. Tesla's Final Secrets
No release date yet
Investigating underneath Tesla's lab.
2. King Solomon's Treasure
No release date yet
Priceless gold and silver artifacts are believed to be in fabled lost Temple Treasures of Jerusalem and King Solomon's hidden mines. With unprecedented access, Rob Nelson and Stefan Burns use the latest technology to search for the legendary treasure.
1. Legend of the Nazi Gold
No release date yet
A legendary train filled with stolen Nazi gold is said to be hidden in Poland. Using cutting-edge technology, Rob Nelson and Stefan Burns explore deep underneath the earth's surface and in abandoned Nazi tunnels in search for the infamous legend.
