World's Most Extreme


Wed 9 Sep, Tunnels

3.0 14 x
Passing through mountain ranges or going underground, tunnels are feats of the engineering world. We countdown the world's most extreme tunnels.

Sun 27 Sep, Airports

3.0 44 x
A look into the world's most extreme airports where things inevitably go wrong. A pilot faces the impossible task of landing a plane on the side of a mountain.

Wed 2 Sep, Railways

3.0 101 x
From awesome engineering to extreme environments and thrill-seeking train-surfers and from the high-tech to the home-made, these are the 10 most extreme railways on Earth.

Season 1 episode 6

Expired 3.0 111 x
A look into the most extreme airports, railways, tunnels, bridges and waterways across the world. Featuring eyewitness stories, rare archive and cutting edge footage, this series takes viewers straight into the danger zone.
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