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This favorite Pennsylvania destination of our editors is filled with old trees, shale cliffs, wildlife and stunning wildflowers.

Camping in Death Valley might give you the hottest day of your life.

How to avoid slipping and sliding in your sleeping bag.

No need to bring along a big, bulky container for your water in camp when you have this great compact suggestion.

Keep water flowing with this simple technique.

Put some rocks in your socks.

Keep arms and legs warm with gear invented by cyclists.

Rodents can be real pests in campsites. Use this trick to stay rodent-free the whole trip long.

Carrying around those little extras just got easier with this trick.

This classic snack offers more then just a tasty treat for backpackers.

Got burgers on the brain? Learn why some experts say it's okay to indulge.

Preventing sunburn is as simple as brushing your teeth.

Sidelined by injury? Get back on the trail fast with this easy treatment plan.

Keeping a close eye on those binocular caps.

We follow a giant, endangered caribou herd from the Yukon to Alaska's Arctic National Wildlife Refuge, Part 1.

Can anyone really know what lurks in the heart of a grizzly? In the wilds of Russia's Kamchatka peninsula, Charlie Russell believes he is beginning to find out.

Just minutes from Anchorage lie dozens of world-class hiking and paddling trips. This guide gives you the best, plus gear and travel tips to smooth the way.

Protection one of Alaska and Canada's largest caribou herds is so close, yet so far away.

Calculate real mileage by accounting for slope in the mountains, and you'll avoid getting into camp after dark.

How do you plan an expedition to follow 123,000 migrating caribou across Canada and Alaska? Very carefully.

How do you plan a route following 123,000 migrating caribou across Canada and Alaska? Try to keep up.

Will he keep up? Karsten Heuer embarks on an audacious 1,200-mile expedition-cum-caribou chase.

18 facts you didn't know about Alaska and Canada's Porcupine Caribou herd.

Visit Croatan National Forest, a place so wild it has more flesh-eating plants than people.

River rats wait years to ride the wild Selway River. Hikers can taste its raw beauty right now.

Always carry extra identification when traveling internationally.

Hike to see arty rock sculptures left by the last Ice Age into the Wisconsin rock.

This wild Ozark gem is close to St. Louis, but still waiting to be discovered.

You'd never guess it: Three quiet trails in such a busy, beautiful place.

7 ways to kick your stride into overdrive

Do your foot troubles warrant an expert's opinion? Take this quiz to find out.

Hike through the limestone caves, sinkholes, and springs of Missouri's Cuivre River State Park.

A definitive guide to the hottest, sweetest, looniest, and most colorful spots in the great outdoors.

Don't let itchy eyes and a sneeze-machine nose ruin your hike. Here's our guide to keeping allergies at bay.

Can a place that sees 9 million visitors a year really have any surprises? You bet. We found three hikes full of unexpected history, scenery, and solitude.

Want to develop legs of steel and the balance of a mountain goat? Try yoga.

This gorgeous alpine lake hike sports huge glacier views just an hour outside of Vancouver.

It's as big as California, boasts more volcanoes than Alaska, and counts nearly as many geysers as Yellowstone.

Here's a detailed hiking planner that will take you to the hidden corners of Colorado's most scenic park.

Want a ceremony that reflects your passion for the outdoors? Here's everything you need to know to pull off a wilderness wedding.

Three ways to salvage broken crackers and pulverized bread.

We tortured 51 trail snacks and staples to pick the longest lasting foods for backpacking.

Tips to take with you when the snow flies.

The hungry hiker's foolproof plan for eating like a king in the backcountry.

Deep in the heart of the forbidden Tibetan kingdom, a long-awaited adventure inherited from the author's father takes an unexpected twist.

No refrigerator, no problem, says this cooking instructor. Here's her secret to making every meal better.

With strong legs and an ambitious plan, you can see more wild country in 12 hours than some backpackers see in a week, and still make it home in time for dinner.

Cuisine expert Emeril Lagasse shares eight tips on how to liven up your camp cooking.

Deep in Wyoming's Wind River Range, an accident with a sliding boulder makes a hiker confront his life, his fate, and his faith in God.

Learn the weird science behind our addiction to waterfalls, and the location of the best trails in North America.

Do you have what it takes to climb Alaska's Denali? Find out with our mountaineer's guide.

Try climbing the standout Banner Peak, just around the corner from Mammoth Lakes.

Dolomites, Italy

Kilimanjaro National Park, Tanzania

Mount Kenya offers classic climbing to all backpackers

Planning to climb Mexico's famous volcano Iztaccíhuatl? Start with our online guide.

Andes, Argentina

Try this ultra-scenic route if you attempt North America's third highest peak.

Aconcagua's West/Southwest Face offers climbers more challenge on the Western Hemisphere's highest peak.

The Obelisk offers a remote climbing challenge far removed from other Sierra hotspots.

Tuolomne Meadows monarch Mount Conness has been a classic Yosemite climb for years -- and for good reason.

Haystack Mountain offers a sweet climb in Wyoming's remote Wind River Range.

Denali National Park and Preserve, Alaska

Jasper National Park, Alberta

Yoho National Park, British Columbia

Matthes Crest features superb climbing deep in Yosemite's backcountry.

Hiding in the arid plains of Nevada you'll find a cool refuge from the desert heat and room to let your imagination soar.

In Michigan's Trap Hills, you'll find space to wonder and wonder, and quiet rock outcrops with panoramas so wide you'll be blinking in disbelief.