Diehard roller coaster fans will travel the world in search of bigger and better thrills and spills. Luckily for them, new rides are opening all the time as theme parks try to outdo each other by creating the longest, tallest, fastest and most extreme white-knuckle experiences. From hair-raising hairpin bends to face-shaking G-force, have a go at these – if you're brave enough.

Click through this gallery to see some of the planet's most exciting roller coasters...