Home > Documentary >

Underground Worlds

Underground Worlds (2019)

September. 25,2019

| Documentary

Underground Worlds

British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.

Free Trial Channels
AD

Apple TV

Free Trial

Watch on Apple TV+

With 7-Day Free Trial

Stream Now

Underground Worlds

2019

British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.

Seasons & Episode

Seasons 2 : 2022

10 Episode

Episode 1 - Murder Raid Tunnels

January. 10,2022

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.

Watch Similar on Apple TV+

Watch 7-day Free

The Last Frontier

The Lost Bus

Slow Horses

It's the Great Pumpkin, Charlie Brown

Episode 2 - Grand Canyon's Lost Treasure

January. 17,2022

Exploring inside the Grand Canyon Caverns - North America's largest dry cave system. Plus, Cold War radar bunkers around the UK.

Episode 3 - Cincinnati's Secret Caverns

January. 24,2022

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.

Episode 4 - Hotel Bunker of the Apocalypse

January. 31,2022

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.

Episode 5 - Mystery of the Kentucky Cave

February. 07,2022

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.

Episode 6 - Ireland's Underground Alcatraz

February. 14,2022

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.

Episode 7 - Medieval Maze of Secrets

February. 21,2022

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.

Episode 8 - Buried Lab of the Black Hills

February. 28,2022

Exploring a former gold mine turned scientific laboratory in South Dakota. Plus, limestone tunnels in London and a former water cistern in Denmark.

Episode 9 - Subterranean Silo Survival

March. 07,2022

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.

Episode 10 - Italy's Subterranean Secret

March. 14,2022

Exploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City.

Seasons 1 : 2019

10 Episode

British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.