Extreme Sports: blog VOD

Imagine racing over a frozen lake on a wind-powered sled, hitting exhilarating speeds that top 40 mph (64 kph), and riding harum-scarum on one runner.

For extreme sports junkies, hurling down the side of a mountain isn't nearly extreme enough, so the lure of an active volcano makes it all the more exciting.

Plummeting towards earth, they had just 70 seconds to find their partner and get into position to claim the title of most freefallers in a formation.

Though the sport is quintessentially male, Lupita Lopez is a matadora. Some impresarios won't allow her to fight, but others actively promote female bullfighters as a novelty.

'Spiderman' Alain Robert scaled the Burj Khalifa in Dubai, moving methodically and swiftly along the metal facade, and waving triumphantly at the top six hours later.

Zorbing - effectively throwing yourself down a slope in a giant ball - has become the latest extreme sport craze to seize the world.

You need steep slopes for high-speed, yet plenty of room for opening a parachute. Also you need little or no wind as an unknown turbulence could kill you.

This is the highest commercially operated bungee jump in the world. Towering 216 meters (708 feet) above the river, it's over 60 stories high.

This ultra sport started when Hawaiian King Kahekili commanded his men to leap off the cliff, as a test of courage and loyalty to him.

Parkour includes the physical practice of traversing elements in both urban and rural settings.