Colorado
Moderate
Old Fall River Road
Historic high-country route through RMNP
Feature: Historic
Colorado
Extreme
Argentine Pass Road
Colorado's most brutal high pass
Colorado
Difficult
Pearl Pass Road
Colorado's gnarliest high pass connection
Colorado
Expert
Ophir Pass Road
Death-defying shelf road over Continental Divide
Colorado
Moderate
Holy Cross City Road
Ghost town ruins at 11,300 feet beneath Holy Cross
Texas
Difficult
Seminole Canyon State Park Backcountry Roads
Ancient rock art meets technical canyon driving.
Texas
Easy
Rio Grande Village to Boquillas Canyon Road
Desert river running along the Mexican border.
Texas
Difficult
Barnhart to Sheffield Backcountry Route
Lost oil roads through unforgiving canyonlands.
Texas
Expert
Trans-Texas Challenge Route
1,200 miles of Texas brutality from piney woods to badlands
Texas
Easy
Caprock Canyons Trailway
Rail-to-trail through bison country