Your chances of being struck by lightning are higher than you think. Minimize them with these tips from thru-hiker Liz "Snorkel" Thomas.
Visitor center, roads closed.
Flash floods claimed seven hikers' lives on September 14.
Keep your cool in the backcountry—no matter how high the mercury climbs—with these key lessons from one of the hottest places on Earth.
In a matter of minutes, wildfire can undo centuries of plant growth—and that’s a good thing.