Australia
ModerateGibb River Road — Tunnel Creek to Windjana Gorge via Napier Range Limestone Corridor (Dry Season Southern Entry)
Devonian reef walls and Jandamarra's ghost.
Surface: Gravel
Canada
ModerateDempster Highway — Fort McPherson to Inuvik via the Peel Plateau and Arctic Red River Ferry
Ferries, plateau, and the Arctic edge. No shortcuts.
Namibia
DifficultNaukluft–Zebra River Canyon to Büllsport — Hardap Desert High Spine via Tsaris Pass and Naukluft Plateau
Limestone canyons and desert plateau — Namibia raw.
Australia
DifficultGibb River Road — Derby to Kununurra via the Kimberley Gorge Country (Dry Season Classic, Full Traverse, Galvans Gorge to El Questro Central Run)
The Kimberley's backbone. Six hundred k of raw.
Namibia
DifficultNamib-Naukluft Olive Trail — Sesriem to Naukluft Mountains via Tsauchab Valley and Naukluft Camp
Naukluft high country. Earned silence.
Australia
DifficultGibb River Road — Adcock Gorge to Manning Gorge via Barnett River Station and Mount Elizabeth
Corrugations, gorges, no crowds.
Argentina
ModeratePaso Pehuenche — Talca to Paso Pehuenche via Laguna del Maule and the Andean Volcanic Divide (Chile Side Full Run)
Volcanic caldera crossing the Andes rarely see.
Australia
DifficultGibb River Road — Bell Gorge to Adcock Gorge via Silent Grove and King Leopold Ranges (Dry Season Interior Traverse)
King Leopolds, corrugations, and cold plunge pools.
Nevada
ModerateTrans-America Trail — Ely to Eureka via the Nevada Basin and Range High Desert
Ninety miles of honest Nevada nothing.
Namibia
DifficultNamib-Naukluft Kuiseb Canyon to Homeb — Namib Desert Riverbed Track via the Kuiseb River Gorge
Ancient canyon. No water. No mercy.