I love this new site which gives you links on adventure related holidays and sports. It has loads of really useful links and they're all organised into categories. They even narrow it down further by area or county. I'm going to be using this site loads!!!
www.adventurelinks.ieSome of my favorites are from the Air section (they have it divided into 4 sections (Air, Water, Earth and Fire)
BallooningGliding
Sky Diving
ParaGliding
High ropes
Flying
Helicopter
Or from the Water section
Boating
Canoeing
Kayaking
Wind Surfing