There’s no shortage of opportunities for thrill-seekers these days.  Out­door-related activities, in particular, have received lots of coverage thanks to the media-driven X Games, the rise of adventure racing and the ease at which anyone can post something online for everyone to see.  

Given this, would it surprise you to know that rock climbing isn't just for adrenaline junkies who love to scale insanely high walls while doing their best impersonation of Spiderman?  

Many adventure-oriented sports are much more...