September 2, 2014 • 45m
From Siberia to India, the Andes to the Arctic, and from deathtraps and vital lifelines to playgrounds for thrill-seekers, this ep...Read more
September 9, 2014 • 45m
The 10 most extreme bridges on Earth: from Nepal and Japan to Bolivia and Russia, bridges that demonstrate extreme engineering and...Read more
September 23, 2014 • 45m
From awesome engineering to extreme environments and thrill-seeking train-surfers and from the high-tech to the home-made, these a...Read more
December 1, 2014 • 45m
Exploring the world's most dangerous and inspirational waterways, from white water rafters taking on undefeated rapids on the Cong...Read more
December 8, 2014 • 45m
This episode visits the 10 most extreme airports on Earth, including an ice airport that's rebuilt each year, a runway squeezed be...Read more
December 15, 2014 • 45m
From the Swiss Alps to a Japanese metropolis, tunnels are often wonders of modern construction, but can also be scenes of disaster...Read more