Iceland
Difficult
Öxi Mountain Pass (Route 939)
Iceland's steepest and most dramatic mountain crossing
Surface: Gravel
Iceland
Moderate
Sprengisandur Highland Track (F26)
Viking outlaws' route through Iceland's empty heart
Canada
Easy
Labrador Straits Loop
Viking ruins and iceberg spotting
British Columbia
Moderate
Chilkoot Trail Access Road
Gold rush ghosts and river crossings
British Columbia
Moderate
Tumbler Ridge Circle Route
Dinosaur tracks and industrial backroads
Alberta
Difficult
Icefields Parkway Backcountry Access
Glacier access beyond the tourist crowds
Colorado
Moderate
Shelf Road
Cliff-hugging gold mining route through limestone canyons
Colorado
Moderate
Yankee Hill Road
Accessible high country with big views
Colorado
Moderate
Old Fall River Road
Historic high-country route through RMNP
Texas
Easy
Caprock Canyons Trailway
Rail-to-trail through bison country