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Underground Worlds: Season 2
January 10, 2022
10 Episodes
~45 min per episode
Overview
No overview available for this season.
Episodes
10
1
Murder Raid Tunnels
Jan 10, 2022
45 min
Exploring the extensive air raid tunnels hidden beneath Ramsgate. Also, how the former thriving mining town of Butte, Montana repurposed the 10,000 miles of tunnels.
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2
Grand Canyon's Lost Treasure
Jan 17, 2022
45 min
Exploring inside the Grand Canyon Caverns - North America's largest dry cave system. Plus, Cold War radar bunkers around the UK.
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3
Cincinnati's Secret Caverns
Jan 24, 2022
45 min
Exploring the forgotten underworld hiding beneath the streets of Cincinati, USA. Plus, a state-of-the-art Cold War fortress on the shores of Denmark.
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4
Hotel Bunker of the Apocalypse
Jan 31, 2022
45 min
Exploring the secret, Cold War US government bunker hidden under Greenbrier Hotel, West Virginia; Plus, delve into the depths of a former slate mine in Wales, UK.
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5
Mystery of the Kentucky Cave
Feb 7, 2022
45 min
Exploring the vast 400-mile Mammoth Cave in Kentucky, USA. Plus, a newly constructed opening into a metal mine in Wales - untouched for over 70 years.
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6
Ireland's Underground Alcatraz
Feb 14, 2022
45 min
Exploring hidden defences that have kept Cork Harbour, in Ireland, safe for over 400 years. Plus, a former submarine base in the fjords of northern Norway.
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7
Medieval Maze of Secrets
Feb 21, 2022
45 min
Exploring long narrow tunnels beneath Exeter that were built in medieval times to protect the city. Plus, a marble quarry under the pine forests of Vermont.
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8
Buried Lab of the Black Hills
Feb 28, 2022
45 min
Exploring a former gold mine turned scientific laboratory in South Dakota. Plus, limestone tunnels in London and a former water cistern in Denmark.
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9
Subterranean Silo Survival
Mar 7, 2022
45 min
Exploring old tunnels in an abandoned tin mine beneath the moors of Cornwall. Plus, former Atlas missile siloes in Kansas and tunnels hiding under Valetta.
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10
Italy's Subterranean Secret
Mar 14, 2022
45 min
Exploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City.
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