Secrets of the Underground

A train filled with stolen Nazi treasure is rumored to be hidden inside a remote mountain fortress in Poland. Using cutting edge technology, Rob Nelson explores deep in abandoned Nazi tunnels in search for the infamous riches.

Rob Nelson uses the latest technology to search for the fabled lost temple treasures of Jerusalem. Also, the Israeli desert is scoured for evidence of King Solomon's mines.

Rob Nelson dives into a Detroit river in search of Prohibition secrets. Also, the ground beneath Nikola Tesla's only surviving lab is explored to find clues about the enigmatic scientist's final invention.

Rob Nelson uses cutting edge technology to investigate disturbing, new evidence that a massive supervolcano in Italy may be on the verge of eruption, which could have apocalyptic consequences across the planet.

Rob Nelson investigates a radical, new theory that claims the legendary sunken city of Atlantis was actually located in North America.

A strange cave freezes in the summer and melts in the winter, and a massive sand dune swallows a small child in an instant. Rob Nelson uses cutting edge technology to investigate these mysteries of the natural world.

Rob Nelson travels to Jamaica to go on a high-tech treasure hunt for the lost fortune of the legendary pirate Henry Morgan.

Rob Nelson uses cutting edge technology to search for a rumored stash of stolen, Gold Rush treasure. Also, a centuries-old murder case in Jamaica is investigated.