
Series 3
Episodes

1. The Desert Ghost Fleet
2019-03-26
The programme looks at a mysterious group of rusting ships stranded in an arid desert, a monstrous defensive line on the snow-covered peaks of the Italian Alps, a ghostly collection of buildings, and the sunken remains of a unique vessel.

2. The Underwater Prison
2019-04-02
An abandoned prison beneath the water, a tunnel in the heart of a mountain, concrete towers hidden in the woods and a rusting coastal relic.

3. The Siege Of Sarajevo
2019-04-09
Concrete channels hidden in a mountaintop forest, a collapsing bridge, a marooned military base and the upright rusting carcass of ship.

4. Sabotage in the Mountains
2019-04-16
A towering structure with an explosive past, a deserted cityscape, a mysterious top-secret facility and a vast Nazi construction.

5. Germany's D-Day Fortress
2019-04-23
A devastated cliff-top ruin, an extraordinarily tall tower, a concrete structure stranded at sea and a heavy metal monster in a field all feature.

6. Hitler's Wonder Weapons Bunker
2019-04-30
Hidden tunnels that saw a city prosper, a sunken wreck with a remarkable past, a concrete wartime dome and a mysterious Cold War building.

7. A Ghost Town In Spain
2019-05-07
A village ruin, pitted and scarred, a ghostly fleet of ships, a bridge to nowhere hidden in a forest and strange metal structures in a wood.

8. England's Abandoned Village
2019-05-14
An eerie, empty country village which hides a sad secret, a mysterious tower battered by the elements and a disused railway deep beneath the streets of a city.