Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
Season 1
8 episodes
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Episode 1
Fortresses
Explore a massive defensive wall surrounding a historic Colombian city and see how a series of eerie metal structures protected the English coast during WW II; then visit a vast underground refuge in Turkey designed to protect tens of thousands.
44 min
7.0
Episode 2
For the Gods
Explore some of the world's remarkable engineering marvels.
43 min
7.0
Episode 3
Episode 3
45 min
Episode 4
Episode 4
44 min
Episode 5
Episode 5
43 min
Episode 6
Episode 6
44 min
Episode 7
Episode 7
44 min
Episode 8
Episode 8
44 min
About
Key details for this title
- Creators
- Paul Kilback
- Director
- Suzan Yum
- Writers
- Chris Thinn, Katherine Wootton, Sarah Winskill
- Classification
- TV-PG
Cast
The cast behind this title
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