Britain's otters have been on a comeback. So what is shrinking their reproductive organs? ->

Surfing may be all about being one with the great ocean, but you don't actually need to a massive body of water to find the perfect wave. Thanks to odd natural conditions, rivers and lakes can be great places to hang ten, if you know where to go. These eight locations around the world are [...]

If you want to explore the nooks and crannies of the Earth, but aren't ready to try caving, trying out a canyon is a great choice. Places of great natural beauty, canyons feature crevices, rivers and waterfalls, a recipe for adventure. Simply defined, canyoneering, or canyoning, is moving through a...

There's a new breed of boats for river rats, and it promises a more visceral, in your face, duck's eye view of whitewater. Instead of sitting in or on the boat, you lie on it, face-first. Meet the Bellyak. This innovative boat is the idea of the son of Perception Kayak founder Bill Masters, so [...]

Kayakers, we have found your new home for watersports eye candy: Bomb Flow. I just spent hours watching kayakers bomb down waterfalls that would make me cringe to just stand and look down, let alone run in a little tiny plastic boat. And to be honest, I'm not a kayaker, and I've never had the [...]

When you're a hardcore mountain bike fanatic, you're always on the lookout for fresh trails, new locations, and more challenging singletrack to ride, but if you're on the Diamondback team, you amp that up by strapping your bikes onto a whitewater raft and heading down one of the southwest's most sc...

The Amazon rainforest has been a place of mystery -- and discovery -- for centuries; there are always new species of flora and fauna being found, even to this day. But here's an interesting new find: the latest discovery in the realm of the Amazon River is another river -- an underground one, that ...

Since 2003, Russian racers have gathered every summer about 55 miles from St. Petersburg, for a one-of-a-kind race across the Vuoska River. First prize goes to the competitor to reach the opposite bank, but there's a catch: the racers aren't swimming, they're riding rafts. And another catch: they a...