While not as famous as some of their siblings, these parks offer stunning sights without all the people.

It’s been years since someone has touched the world record for most vertical feet skied in 24 hours. But now, suddenly, ultrarunners from Montana to Norway are going head-to-head to earn the most vert.

If a high-profile volcano (think: Hawaii’s Kilauea) shows signs of instability, it’s Michael Poland’s job to reassure us that everything is going to be okay.

Paddle the Mississippi like Huck Finn, get lost in the woods like Brian from 'Hatchet,' and wander the desert like Edward Abbey.

At this time of year, wet, muddy trails can be inevitable. Don’t let a little rain stop you from trail running. Here are tips from the pros on learning to love the muck instead.

Georgie White Clark was foul-mouthed, brusk, famously rude to customers—and a pioneer in Grand Canyon.

Behind the scenes with Wild Rye, the newest women's mountain bike clothing company.

New York Times sports writer John Branch reports on everything from the Olympics to the World Yo-Yo Contest.

From music and film to mountain biking and yoga, here are our favorite jamborees celebrating the outdoors this season.

Not recommended: Training for a marathon during a snow-drenched winter. Recommended: Running a marathon along the most beautiful, rugged stretch of the California coastline.

Finally, a major ski movie is starring a nearly equal proportion of women to men.

Why drive when someone else can do it for you?

As Yosemite National Park’s staff geologist, Greg Stock knows the best spots in the park, geologically speaking.

For the first time, the International Olympic Committee is researching what it takes for new moms to return to high-level competition.

Got a job you can do from anywhere? These eight international adventure towns and cities welcome you.