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Underground Worlds

2 Series ∙ 20 Episodes ∙ Engineering

Incredible feats of human endeavour, revealing what people have built, where they've built it, how and why.

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Series Selector for Underground Worlds

All episodes for series 1 of Underground Worlds

S1 E1 · Gibraltar

Incredible feats of human endeavour, revealing what people have built, where, how and why.

S1 E2 · Sweden

Exploring Sweden's passion for subterranean spaces.

S1 E3 · Switzerland

A look at some of Switzerland's 300,000 subterranean bunkers built across history.

S1 E4 · Kingdom of Salt

The wonders of the Wieliczka Salt mine in southern Poland.

S1 E5 · Bouzincourt

A labyrinth of tunnels underneath a tiny French village.

S1 E6 · City of Naours

An underground city beneath a forest in Northern France built to house 3,000 people.

S1 E7 · Jersey War Tunnels

The underground bases built by the German army during the occupation of Jersey.

S1 E8 · The Maginot Line

The secrets of the largest subterranean fortress along France's border with Germany.

S1 E9 · Edinburgh Vaults

The sinister history of Edinburgh's underground vaults.

S1 E10 · Dover War Rooms

The military headquarters built beneath Dover Castle during the Second World War.

The Buildings That Fought Hitler

Guy Martin's Lancaster Bomber

Space Shuttle: Triumph and Tragedy

The Architecture the Railways Built

Guy Martin's World War 1 Tank

How Britain Worked

Guy Martin's Spitfire

Churchill's Bid to Abolish Britain

Agatha Christie: Lucy Worsley on the Mystery Queen

Lucy Worsley Investigates

Decades That Defined Us

Smoke & Steel