Montana
ModerateBeartooth Highway — Red Lodge to Cooke City via the Montana–Wyoming High Plateau
11,000 ft of open tundra, switchbacks, and zero mercy.
Surface: Mixed
Morocco
ModerateTizi n’Test Pass Road — Marrakech to Taroudant via the High Atlas Southern Spine
High Atlas death-drop road with an ancient mosque in the clouds.
Argentina
DifficultRuta del Libertador — San Juan to Uspallata via Barreal and the Calingasta Valley
Pre-Andean canyon country. Rivers, red rock, zero traffic.
Australia
ModerateBirdsville Track — Marree to Birdsville via the Tirari and Strzelecki Desert Fringe
The original outback cattle road. Five hundred clicks of red nothing.
Romania
ModerateTransfăgărășan Highway — Bâlea Lac to Sibiu via the Southern Carpathian High Crossing
Ceaușescu's mountain scar. Europe's wildest paved pass.
Kenya
ExpertTurkana Jade Sea Road — Loiyangalani to North Horr via the Chalbi Desert Fringe
Jade lake to salt flat — East Africa at its rawest.
England
DifficultHardknott and Wrynose Passes — Eskdale to Little Langdale via the Lake District’s Hardest Road
England's steepest road — no room for mistakes.
Australia
DifficultGibb River Road — Lennard River to Adcock Gorge via the Kimberley Ranges Spine
Bulldust, crossings, and gorge-country solitude.
Chad
ExtremePiste du Djourab — N’Djamena to Faya-Largeau via the Djourab Fossil Erg
A thousand clicks of Sahara and zero backup.
Gandaki Province
ExpertTatopani to Kagbeni — Mustang Salt Trail via Kali Gandaki Gorge
The world's deepest gorge on four wheels.