This strenuous 11.3-mile loop offers a bit of everything--rugged summits, challenging trails, dense woodlands, mountain streams, remote campsites, and heaps of solitude.

This 5.6-mile loop climbs the woody spine of Dick's Ridge, then meanders along a twisting mountain stream in a hilly section of Chattahoochee National Forest.

Hike up two mountain peaks with eye-popping vistas on this challenging 7.4-mile off-trail route on the park's lesser-traveled east side.

This 83-mile, week-long transect of Glacier National Park on the Pacific Northwest National Scenic Trail features turquoise pools, ragged peaks, and vibrant wildflowers.

Back-to-back boat rides jump-start this dayhike to a glacier-fed lake in Glacier National Park.

Ride Amtrak to Glacier's back door, then hike this 19.7-miler past glacial lakes and cascades and over two gorgeous passes.

Hike over three mountain passes into glacier-carved basins with crystalline lakes and bird's-eye views on this 17.6-mile loop. Don't forget your camera.

Worth the 2,200-foot climb out of Two Medicine, this 7.3-mile out-and-back rewards with wildlife viewing on the slopes of Mount Henry and a panoramic vista of Glacier National Park.

Score wildlife sightings daily and choice views hourly on this weeklong circuit in Glacier National Park.

This 10-mile out-and-back heads off-trail and lands at the crumbling ruins of a Native American spiritual site on the slopes of Mount Henry.