Seasons & Episodes
Capone's Escape Tunnels
Rob Nelson investigates rumors of a secret underground escape route used by the infamous gangster Al Capone. In Washingt
Mystery of the Serpent Mound
Rob Nelson explores mysterious tunnels beneath Denver's airport and capitol building to investigate rumors of a secret o
America's Buried Massacre
Rob Nelson hunts for a legendary mass grave that could expose a dark secret of America's industrial past. High in the mo
Rocky Mountain Monsters
Rob Nelson examines a set of bizarre markings that suggest a violent clash between prehistoric beasts. In California, he
Great Lakes Bermuda Triangle
Rob descends into a cave 30 feet beneath Texas in search of evidence of a mass extinction event. Then, he heads to Lake
California's Hidden Doomsday
Rob Nelson heads to California to investigate a network for major fault lines that could set off an unprecedented mega-q
Secret History of the New World
Rob investigates ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before C
American Stonehenge
Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge. A
Legend of the Nazi Gold
A legendary train filled with stolen Nazi gold is said to be hidden in Poland. Using cutting-edge technology, Rob Nelson
King Solomon's Treasures
Priceless gold and silver artifacts are believed to be in fabled lost Temple Treasures of Jerusalem & King Solomon's hid
Tesla's Final Secrets
Nikola Tesla died before finishing a mysterious, earth-shattering invention, but the ground beneath his only remaining l
Doomsday Volcano of the Gods
A massive supervolcano beneath Naples, Italy may be on the verge of erupting again, which could have apocalyptic consequ
Atlantis in America
New theories claim that the legendary sunken city of Atlantis could have actually been in the Americas. Rob Nelson & Ste
Mystery of the Ice Cave
A strange cave freezes in the summer and melts in the winter, and a massive sand dune swallows a small child in an insta
Lost Pirate City Treasure
When an infamous pirate city sunk into the sea after a massive earthquake, a pirate's treasure might have disappeared wi
Quest for the Gold Rush Fortune
Millions of dollars of stolen Gold Rush treasure is rumored to have been stashed in a cave in Northern California. Rob N
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