Kyrgyzstan
DifficultTian Shan Mountain Road — Bishkek to Song-Kul Lake via Kochkor and Moldo-Ashuu Pass
Nomad country at 3,000 metres. Earn every view.
Difficulty: Difficult
Level 3
Alaska
DifficultDalton Highway — Fairbanks to Deadhorse via the Brooks Range and Arctic Tundra
414 miles to the top of North America.
Australia
DifficultGibb River Road Alternative — Kalumburu Road to Mitchell Falls via Drysdale River Station
Dead-end Kimberley dirt to Australia's best falls.
Karas Region
DifficultFish River Canyon 4×4 Trail — Hobas to Ai-Ais via the Canyon Rim Desert Track
Second-largest canyon on earth. Zero guardrails.
China
DifficultKarakoram Highway — Kashgar to Gilgit via Khunjerab Pass
Highest international highway on earth.
Australia
DifficultTanami Track — Alice Springs to Halls Creek via the Tanami Desert
A thousand clicks of corrugated red nothing.
Alaska
DifficultTatshenshini-Alsek River Road — Haines Junction to Dry Bay via the Alsek Wilderness Corridor
The road that ends at the edge of the ice age.
Bolivia
DifficultBolivia’s Lagunas Route — Uyuni to San Pedro de Atacama via the Southwest Circuit
Flamingos, geysers, and 16,000-ft passes.
Bhutan
DifficultTrans-Bhutan Trail Road
Through the Dragon Kingdom, pass to pass.
China
DifficultFriendship Highway — Lhasa to Kathmandu
The roof of the world, all 900 kilometres of it.