The ultimate vacation in one of America's iconic parks requires the ultimate hiking plan: classic scenery, no crowds, and secret campsites. Here's how to spend a perfect week in Glacier, Yosemite, Yellowstone, Grand Canyon, Olympic, Denali, and the Great Smoky Mountains.
Forget the pyramids: BACKPACKER's greatest hits include 20,000-foot peaks, mile-deep canyons, million-acre wildlands, and a certain granite dome sliced clear in half. In our biggest parks guide yet, we detail seven must-do routes. And there's more: vacation-planning guides stocked with insider beta on permits, gear, and the best places to pig out.