Colorado
Moderate
Taylor Park Road
Colorado's highest ghost town passage
Feature: Historic
Colorado
Expert
Cinnamon Pass Road
High-altitude shelf road through mining history
Alaska
Moderate
Alcan Military Highway Historic Route
WWII engineering through endless wilderness
Idaho
Moderate
Magruder Corridor Road
101 miles of wilderness between two worlds
Illinois
Moderate
Trans-America Trail – Illinois Section
Midwest miles on the coast-to-coast dream
Arizona
Difficult
Black Canyon Road
Arizona's gnarliest desert punishment
USA
Moderate
Needles District 4WD Roads
Sandstone maze in Canyonlands' hidden heart
California
Moderate
Old Mojave Road
Historic desert crossing from river to railhead
Michigan
Easy
Pictured Rocks Backcountry Route
Great Lakes wilderness through forgotten mining country
California
Difficult
Sierras to Desert Trail
Alpine peaks to desert floor through mining history