1. Heroes & Villains

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. 30 July 2021. 44 min

The home of an African dictator and a sporting hero, and the facility that held apartheid's greatest critic are abandoned, but still have unique stories to tell.

2. Paradise Lost

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. 6 August 2021. 44 min

Exploring a ghost town in Colorado, the remnants of an industrial enterprise in Puerto Rico, and a remote village on Cyprus.

3. A Royal Deception

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. 13 August 2021. 44 min

Exploring a jungle refuge concealing a story of royal deceit, nuclear bunkers infiltrated by outsiders, and a haunted hospital marked by scandal.

4. Mafia Seaside Resort

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. 20 August 2021. 44 min

Exploring a beachside resort with ties to the Russian mafia, a windswept base hiding lifesaving technology, and a site in Iowa plagued by its past.

5. The Giant Speaker

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. 27 August 2021. 44 min

Exploring a bizarre block in Taiwan resembling a giant speaker, a pioneering venture in Alaska, and an alpine village that masks a military beast.

6. Cathedral of Sewage

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. 3 September 2021. 44 min

An ominous tower in the forests of Croatia, a New York City complex that broke the mould, and a grand facility guarding the London riverbanks.

7. The Secret Bunker

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. 10 September 2021. 44 min

Exploring a desert island with an infected past adrift from the US mainland, the brutalist palace of a mad Bulgarian dictator, and a doomed top-secret Nazi project.

8. The Battle of San Pietro

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. 17 September 2021. 44 min

Featuring Italian ruins immortalised by Hollywood, a crumbling Chilean city with two lives and a brutalist Scottish relic whose prayers went unanswered.

9. Divine Intervention

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. 24 September 2021. 44 min

Exploring a luxury resort that conceals a top-secret facility, a mysterious complex in Bali struck by disaster, and a relic of hope near Jerusalem.

10. Shadow of the Wars

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. 1 October 2021. 44 min

Exploring a dystopian powerhouse in Pennsylvania, USA, a fairy-tale castle in Poland and AngloSaxon religious ruins across vast plains of Scotland.

11. Death In Paradise

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. 8 October 2021. 44 min

Exploring a bloody battleground on the Pacific Island of Peleliu and an ominous military stronghold in Russia.

12. Before The Crown

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. 15 October 2021. 44 min

This episode travels to Chile, the Maltese capital Valleta, Havana and Germany, to reveal: honeymoon home of a young princess that offered her a glimpse of freedom; grand monuments designed by the most notorious dictator of the twentieth century; a sprawling industrial complex?the site of a ruthless disappearance; and?the artistic dream of?a revolutionary now in?ruins.