Rob Nelson heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries. S1/Ep8
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/Ep7
Rob heads to California to investigate a network for major fault lines that could set off a mega-quake. Plus, he explores a mysterious sinkhole. S1/Ep6
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/Ep5
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/Ep4
Rob Nelson investigates rumours of secret underground escape route used by infamous gangster Al Capone. Plus, mysterious earthen mounds in Washington State. S1/Ep3
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound. S1/Ep2
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz. S1/Ep1
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? S2/Ep8
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. S2/Ep6
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. S2/Ep5
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. S2/Ep4
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/Ep1
Rob Nelson heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries. S1/Ep8
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/Ep5
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/Ep4
Rob Nelson investigates rumours of secret underground escape route used by infamous gangster Al Capone. Plus, mysterious earthen mounds in Washington State. S1/Ep3
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound. S1/Ep2
Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz. S1/Ep1
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? S2/Ep8
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. S2/Ep6
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. S2/Ep5
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. S2/Ep4
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/Ep1
Rob Nelson heads to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries. S1/Ep8
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/Ep7
Rob heads to California to investigate a network for major fault lines that could set off a mega-quake. Plus, he explores a mysterious sinkhole. S1/Ep6
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/Ep5
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/Ep4
Rob Nelson investigates rumours of secret underground escape route used by infamous gangster Al Capone. Plus, mysterious earthen mounds in Washington State. S1/Ep3
Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound. S1/Ep2
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. S2/Ep6
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. S2/Ep6
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. S2/Ep6
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. S2/Ep5
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. S2/Ep5
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. S2/Ep5
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. S2/Ep4
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. S2/Ep4
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. S2/Ep4