
Season 27 Episodes
- Stolen Gold Rush TreasureS2 E8Millions of dollars of stolen Gold Rush treasure is rumored to have been stashed in a cave in Northern California; the search for the legendary treasure.
- Wonders Of The Natural WorldS2 E6A strange cave freezes in the summer and melts in the winter; a massive sand dune swallows a small child in an instant.
- American AtlantisS2 E5New theories claim that the legendary sunken city of Atlantis actually could have been in the Americas; Rob Nelson and Stefan Burns investigate evidence that might shed more light on one of the world's greatest mysteries.
- Supervolcano ApocalypseS2 E4A massive supervolcano beneath Naples, Italy, may be on the verge of erupting again, which could have apocalyptic consequences across the planet; Rob Nelson and Stefan Burns use cutting-edge technology to investigate this disturbing new evidence.
- Tesla's Secret InventionS2 E3Nikola Tesla died before he finished a mysterious invention, but the ground beneath his only remaining lab might hold clues; Rob Nelson and Stefan Burns are the first to use cutting-edge tech to investigate Tesla's underground secrets.
- Lost Treasures Of JerusalemS2 E2Searching for the fabled lost Temple Treasures of Jerusalem and King Solomon's hidden mines.
- Nazi Treasure TrainS2 E1A 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 of the infamous legend.
Synopsis
A fascinating new world has emerged for scientists to study, and it's just beneath their feet. With the emergence of cutting-edge technologies such as ground penetrating radar, LIDAR (Light Detection and Ranging), and 3-D imaging, scientists are now able to research underworlds of secret tunnel networks, ancient structures, and bizarre geological occurrences that offer glimpses into the past. In "Secrets of the Underground," Rob Nelson, an ecologist by trade and an explorer by pastime, travels the country to investigate long-lost, subterranean phenomena. Nelson looks at all things hidden, covert and unfamiliar, from intricate and forgotten sewers and caves to lost civilizations and structures.Cast
Rob Nelson, Tim Bechtel, Jared Peacock, Valerie HeestRating
TV-PG
Genres
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