Secrets of the Underground (2017)

Season 2

A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.

Released Feb. 14, 2017 Episode 60 min 10+

Genres: Documentary, Reality

Keywords: mdblist.has-trailer, imdb.underground-tunnel, imdb.exploration

Watch Providers: Spectrum On Demand, Discovery+ Amazon Channel, Philo, YouTube TV

Production Companies: Science Channel

Network: Science

Country: United States
Languages: English

IMDb

6.3

/196/

Trakt

/15/

TMDb

/4/

S2E1 - 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 and Stefan Burns explore deep underneath the earth's surface and in abandoned Nazi tunnels in search for the infamous legend.

Oct. 28, 2017, midnight

S2E2 - King Solomon's Treasures

Priceless gold and silver artifacts are believed to be in fabled lost Temple Treasures of Jerusalem & King Solomon's hidden mines. With unprecedented access, Rob Nelson and Stefan Burns use the latest technology to search for the legendary treasure.

Nov. 4, 2017, midnight

S2E3 - Tesla's Final Secrets

Nikola Tesla died before finishing a mysterious, earth-shattering invention, but the ground beneath his only remaining lab might hold clues. Rob Nelson & Stefan Burns are the first to use cutting-edge tech to investigate Tesla's underground secrets.

Nov. 11, 2017, midnight

S2E4 - Doomsday Volcano of the Gods

A 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.

Nov. 18, 2017, midnight

S2E5 - Atlantis in America

New theories claim that the legendary sunken city of Atlantis could have actually been in the Americas. Rob Nelson & Stefan Burns use cutting-edge technology to investigate evidence that might shed more light on one of the world's greatest mysteries.

Nov. 25, 2017, midnight

S2E6 - 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 instant. Rob Nelson and Stefan Burns use cutting-edge technology to investigate these mysteries of the natural world.

Dec. 2, 2017, midnight

S2E7 - Lost Pirate City Treasure

When an infamous pirate city sunk into the sea after a massive earthquake, a pirate's treasure might have disappeared with it. Rob Nelson and Stefan Burns use cutting-edge technology to hunt for the legendary lost pirate treasure of Henry Morgan.

Dec. 9, 2017, midnight

S2E8 - 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 Nelson and Stefan Burns use cutting-edge technology to search for the legendary treasure.

Dec. 16, 2017, midnight

Network: Science

Episode Runtime: 60 min.

Season Runtime: 960 min.

Released: Feb. 14, 2017

Last Air Date: Dec. 16, 2017, midnight

Status: Ended

Certification: TV-PG / 10+

REFRESH DATA

Updated: 1 week, 6 days ago

Next update: 1 month, 4 weeks from now