Chihuahua
Difficult
Copper Canyon Rim Trail
Cliff-hanging route through Mexico's grandest canyons
Feature: High Altitude
Montana
Moderate
Beartooth Highway
Sky-high pavement through untamed peaks.
USA
Moderate
Chinook Pass Scenic Byway
Winter's lockdown, summer's payoff.
USA
Moderate
Hurricane Rim Trail
Slickrock shelves above Zion's backyard
USA
Moderate
Moab Rim Trail
Six miles of slickrock ledges and serious drops
Arizona
Difficult
Schnebly Hill Road
Red rock beatdown on Arizona's gnarliest historic route.
Idaho
Moderate
Lolo Motorway
Lewis & Clark's wilderness highway
Nevada
Moderate
Wheeler Peak Scenic Drive
Nevada's loneliest high country drive
California
Expert
Dusy-Ershim Trail
Sierra Nevada's most notorious granite gauntlet
Australia
Moderate
Power’s Lookout Track
Fire tower views earned the hard way.