Digging Deeper

22nd April 2017 43 mins Season 1 Episode 6

New technology is allowing us to build underground structures that far surpass any building on earth. South Dakota is building a mile deep structure, inside an abandoned gold mine, to study the universe. London is building a "silent" rail network to prevent gridlock. Mexico City is burrowing 39 miles underneath the city to save it from drowning. On this episode: Sanford Underground Research Lab; London Cross Rail and Mail Rail; Mexico City Emisor Oriente.

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Season 1 · Episode 7

Man vs. Nature

As humans push even further into the world's most extreme environments, the question is: how far can we go? A new breed of tools allows man to face deadly forces once thought impossible. On this episode: polar survival suit; thermal imaging fire fighter mask; big wave surfing emergency vest.

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