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Athens

Season 1 Episode 1
54:27
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Cairo

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Istanbul

Season 1 Episode 3
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The Calling

Season 4 Episode 5
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When Whales Could Walk

When Whales Could Walk

Season 51 Episode 1
53:31
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Ancient Invisible Cities

Hippodrome Cistern

Host Darius Arya and historian Kerim Altug go deep underneath the 1,600-year-old Roman chariot racetrack, the Hippodrome, to explore one of the most extraordinary places in this ancient city. Darius and Kerim struggle through the dark to find that the Hippodrome’s passageways were converted into a huge water storage tank - the city’s insurance against drought, fire and siege.