Arizona
Moderate
Chinle Wash to Canyon de Chelly
Sacred Navajo canyon country and ancient ruins
Feature: Remote
Colorado
Expert
Mosquito Pass Road
America's highest driveable pass at 13,186 feet
Texas
Moderate
Backcountry Discovery Route – Texas
1,200 miles across the heart of Texas
USA
Easy
Swell Road
San Rafael Swell mining ghost towns loop
Michigan
Moderate
Highline Trail
Upper Peninsula wilderness lakes connector
Idaho
Moderate
Lolo Pass Road
Lewis & Clark's Continental Divide crossing
USA
Moderate
Hole-in-the-Wall Road
Wild West outlaw hideout in Wyoming's Red Desert
Florida
Difficult
Alligator Alley Backcountry
Deep sand trails through Florida's wild Everglades
USA
Easy
Alton-Coalville Forest Road Network
Utah's forgotten mountain backroads
USA
Moderate
Medicine Bow National Forest Backcountry Route
Wyoming's forgotten high country backroads