Do you like a bit of adventure on your travels? If you know where to find the biggest waves, the best climbs or the most beautiful canyoning spots, send us a tip. And to spark off other adventure holiday ideas, browse our tips on activities and sports from the exhilarating (jet boating, cycling, skiing) to the extreme (hang gliding, skydiving, luging). If you're not the hardcore sports type, never fear - we've also got a few tips for more sedate activities...