A year after he was nearly killed by a polar bear, Matt Dyer returned to the wild with the people who saved his life.
Gear that works as well in town as it does on the trail.
Filming the wild and sometimes treacherous history of Yosemite Valley climbing.
The emerald pools and orange blossoms of Wadi Tiwi almost distract climbers from their goal, the area's sheer sandstone pitches.
Make yourself look big? Play dead? Run? We've got your wildlife defense poses covered.
The odds of you winning one of these lotteries are lower than any other park in America.
You’ve got to give your brain a vacation. Seriously, science says so.
From zombies to ghosts, these caverns are haunted by creepy stories. Do you dare visit?
Citizen scientists forgo the slopes to search for scat.