You've surely seen some amazing skateboarding tricks on TV or YouTube. But have you seen the 1080 turn? Or the Loop of Death? Or jumping the Grand Canyon? These are just some of the 10 craziest skateboarding feats. What's No. 1? See more »

Outdoor adult fitness areas -- playgrounds for grown-ups -- are sprouting up in cities all over the world. What 10 items would put the most fun into exercise? See more »

Strange to think that a sport could actually be illegal -- but it could get you arrested if it involves trespassing, injures others or is just plain crazy. Here are 10 fun sports that could get you in trouble. See more »

Urban hiking started out as a necessary part of life in the big city, but now the activity is reserved for those who know the best way to explore a city is to walk it. See more »

If you want an adrenaline rush quite like none you've had before, BASE jumping might be for you. And these are five of the best spots to take a leap. See more »

Running on a treadmill at the gym may get the job done when it comes to burning calories, but it's awfully boring. How else can you exercise in your city? See more »

From New York to L.A., bicycle fever is taking hold as city folk turn to two wheels. Be sure you arrive alive with our safety tips. See more »

Stuck in traffic again? Don't just sit there. In fact, it might be the perfect time to get in a little exercise. But there's not a lot of room. So what kinds of exercise can you do in your car? See more »

Today we shall see if all that training, gaming and movie watching have paid off. Can you tell the difference between real martial arts maneuvers and fictional ones? In this quiz, you shall face both. Fight! See more »

Skydiving has been described as one of the greatest adrenaline rushes a human being can have. So what keeps skydivers safe as they plummet to Earth? And what happens if something goes wrong on your jump? See more »