World's Most Extreme

World's Most Extreme Buildings looks at 10 of the most remarkable buildings ever constructed. Mexico City is frequently savaged by earthquakes, but the Torre Mayor skyscraper barely moves thanks to 98 specially engineered shock absorbers. Norway offers a glimpse into the future with the world's tallest timber building; eco-friendly and more fire-resistant than steel.

World's Most Extreme 'Nature' reveals a countdown of the deadliest natural forces that shape the world. A 16,000-foot-deep underwater canyon funnels some of the largest waves in the world onto the shores of Nazare in Portugal, attracting the toughest, or most foolhardy, surfers.

World's Most Extreme 'Living on the Edge' examines how humans survived and thrived in some of the harshest terrains. In the Andes, the inhabitants of the world's highest town defy sub-zero temperatures and little oxygen to venture deep into dangerous gold mines.

World's Most Extreme 'On the Road' is a high-octane episode that counts down through the most incredible vehicles across the globe. Weighing 14,200 tonnes, standing 96 metres high and 225 metres long, the Bagger is the world's biggest terrestrial vehicle, shifting 240,000 cubic metres of soil in a single day.

World's Most Extreme 'In the Air' takes to the skies to see the most incredible aircraft ever invented. One of the riskiest jobs in the world involves mustering cattle and even camels by helicopter in the Australian outback. In the Norwegian mountains, daredevil Scotty Bob dons a wingsuit to fly only inches from sheer rock in the most hair-raising proximity flying journey.

World's Most Extreme 'In the Water' showcases marvels of marine engineering; boats that dive, boats that fly and even boats that flip. Smashing through the ice of the artic - Russia's nuclear ice breakers are the toughest ever made and capable of ploughing through ice 3 metres thick. In Australia David Warby attempts to beat the world water speed record of 317mph, in a home-made boat.