Extreme Sports - Twenty4Sevens Author:Dave Spurdens From BMX to rock climbing, you'll learn about the most dangerous and amazing extreme sports in the world. Take a look at the best and most talented extreme sports stars and discover why they go to such extraordinary lengths for the thrills and chills. — History -- — Skateboarding -- — Surfing -- — Kite surfing -- — Sandboarding -- — Ice and rock c... more »limbing --