After 24 years of guiding whitewater trips on the Nolichucky River Gorge for other companies, Patrick Mannion finally received a permit last year to operate his own outfitter business.

Discover the ultimate adrenaline rush in New Zealand, from bungee jumping to white-water rafting. Explore top extreme sports ...

On the East Coast, you have to visit one Pennsylvania state park in particular, which has waterfalls, camping, whitewater ...