Devils Postpile National Monument
Basalt columns up to 60 feet (18 m) tall and 101-foot (31 m) Rainbow Falls near Mammoth Lakes, where the JMT and PCT cross.
Basalt columns up to 60 feet (18 m) tall and 101-foot (31 m) Rainbow Falls near Mammoth Lakes, where the JMT and PCT cross.
Lava flows, cinder cones and lava tube caves south of Grants, New Mexico, crossed by the ancient Zuni-Acoma Trail.
Cliff dwellings reached by ladder in Frijoles Canyon, and 70-plus miles of backcountry trail across New Mexico’s Pajarito Plateau.
A wall of dinosaur bones, the Green and Yampa river canyons and multi-day float trips on the Colorado-Utah line.
Red sandstone canyons and towers above Grand Junction, with rim walks and canyon-floor routes below.
Lava fields, cinder cones and lava tube caves along Idaho’s Great Rift, with a trackless wilderness for overnight trips.
Cliff dwellings, Grand Gulch backpacking and Indian Creek climbing in southeastern Utah’s canyon country.
Slot canyons, the Escalante River and Lower Calf Creek Falls across nearly 1.9 million acres (7,600 km²) of southern Utah.
A backcountry-only park on the Canadian Shield north of Kingston, with 75 miles (120 km) of looped trails and 22 lakes.
The wild heart of Temagami: ancient portages, rapids and old-growth pine below Ishpatina Ridge, Ontario’s highest point.