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Underground Worlds: Season 1
September 25, 2019
10 Episodes
~45 min per episode
Overview
No overview available for this season.
Episodes
10
1
Gibraltar
Sep 25, 2019
45 min
This edition explores the hidden network of tunnels and caves beneath Gibraltar that were instrumental to the Allies success during WWII. Plus, the ultimate super-sewer beneath London and a breathtaking cave system in Postojna, Slovenia.
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2
Sweden
Oct 2, 2019
45 min
Explores how Sweden has gone to extraordinary lengths to protect itself - by excavating 65,000 nuclear bunkers. Plus, Somerset's Cheddar Gorge and an underground first in Romania.
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3
Switzerland
Oct 9, 2019
45 min
A look at some of Switzerland's 300,000 subterranean bunkers, the creation of a local entrepreneur shrouded in mystery in England and a network of tunnels deep beneath Slovenia.
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4
Kingdom of Salt
Oct 16, 2019
45 min
The Wieliczka Salt mine in Poland, some 327 meters deep, where the voids left behind from excavating salt have been transformed into extraordinary spaces, carved by hand.
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5
Bouzincourt
Oct 23, 2019
45 min
A labyrinth of tunnels underneath a tiny French village which contains mysteries from several historical eras, and a Welsh slate mine that has been given a new lease of life.
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6
City of Naours
Oct 30, 2019
45 min
An underground city beneath a forest in Northern France built to house 3,000 people, an ice cave under Iceland's biggest glacier, and a subterranean power station in London.
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7
Jersey War Tunnels
Nov 6, 2019
45 min
The underground bases built by the German army during the occupation of Jersey, and a group of more than 20 underground cities in Turkey, one of which dates back to 800BC.
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8
The Maginot Line
Nov 13, 2019
45 min
The secrets of the largest subterranean fortress along France's border with Germany, and a look at how a unique precious mineral was discovered in Derbyshire.
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9
Edinburgh Vaults
Nov 20, 2019
45 min
The sinister history of Edinburgh's vaults and the development of Helsinki's subterranean spaces. Plus, the impact of the building of Naples on the volcanic ground below.
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10
Dover War Rooms
Nov 27, 2019
45 min
This edition explores the military headquarters built beneath Dover Castle during the Second World War, and Odessa's catacombs, possibly the largest tunnel network in the world.
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