Explorer, adventurer biologist and tech fanatic Rob Nelson and his new co-host, geophysicist Stefan Burns, will dig deep into some of the world's most notorious underground legends including the long-rumored Nazi Gold Train, America's Atlantis, and more.
S0 E1: American Stonehenge
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz.
S0 E1: Legend Of The Nazi Gold
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.
S0 E2: Mystery Of The Serpent Mound
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound.
S0 E2: King Solomon's Treasures
Priceless gold and silver artefacts are believed to be lost in King Solomon's hidden mines. Rob and Stefan search for the legendary treasure.
S0 E4: Doomsday Volcano Mystery
Beneath the densely populated city of Naples lies a looming threat. A super volcano may be on the verge of erupting and cause an apocalyptic catastrophe.
S0 E5: Atlantis In America
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.
S0 E6: Mystery Of The Ice Cave
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.
S0 E7: Lost Pirate City Of Treasure
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?
S0 E8: Quest For The Gold Rush Fortune
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?
S1 E1: American Stonehenge
S1 E2: Mystery Of The Serpent Mound
S1 E4: America's Buried Massacre
Rob Nelson hunts for a mass grave that could expose a dark secret. Plus, a giant lake is mysteriously disappearing and Rob set off to find out why.
S1 E5: Rocky Mountain Monsters
Rob examines bizarre markings that suggest a violent clash between prehistoric beasts. In California, he explores if a strange lake is a home to alien life.
S1 E6: California's Hidden Doomsday
S1 E7: Secret History of the New World
Rob Nelson investigates a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus.
S1 E8: Great Lakes Bermuda Triangle
Rob Nelson heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.
S2 E1: Legend Of The Nazi Gold
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.
S2 E2: King Solomon's Treasures
S2 E4: Doomsday Volcano Mystery
S2 E5: Atlantis In America
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 evidence.
S2 E6: Mystery Of The Ice Cave
S2 E7: Lost Pirate City Of Treasure
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?
S2 E8: Quest For The Gold Rush Fortune
In California Rob and Stefan explore a cave, rumored to house 100 pounds of gold stashed away during the Gold Rush. Can their tech end the mystery?