Lesotho
DifficultLesotho Highlands Road — Mokhotlong to Thaba-Tseka via the Roof of Africa High Plateau
Africa's mountain kingdom. No guardrails. No crowds.
Feature: High Altitude
Chihuahua
ExpertLienzo Charro to Batopilas Canyon — Copper Canyon Barrancas Track via Creel and Urique Rim
Four times the Grand Canyon. Half the guardrails.
Bolivia
ExpertSalar de Uyuni South Rim Track — San Juan to Laguna Colorada via the Bolivian Altiplano Volcanoes
Volcanoes, flamingos, and a boiling earth at 4,800m.
Ethiopia
ExpertTransafrica — Cairo to Cape Town via the East African Corridor
UNESCO escarpment edge. Geladas and 1,500m drops.
Afghanistan
ExtremeWakhan Corridor Road — Khargush Pass to Bozai Gumbaz via the Little Pamir Plateau
The roof of Asia. No safety net.
Bhutan
DifficultBhutan Lateral Road — Thimphu to Trashigang via Thrumshingla Pass
Bhutan's backbone: cloud forest, passes, no tourists.
Bolivia
ExtremeCamino de la Muerte North — Coroico Descent to Yolosa via the North Yungas Death Road
The world's most dangerous road. It earned that name.
Canada
ModerateDempster Highway — Inuvik to Tuktoyaktuk via the Mackenzie Delta Coastal Tundra
Gravel to the Arctic Ocean. No shortcuts.
Namibia
ExpertNaukluft Mountains 4×4 Trail — Büllsport to Tsauchab River Gorge via the Naukluft Plateau High Spine
Dolomite cliff descents with zero room for error.
China
DifficultSichuan–Tibet Highway — Batang to Markam via the Jinsha River Canyon and Tibetan Plateau Edge
Drop to the Yangtze, climb into Tibet.