Chad
ExtremePiste du Tibesti Nord — Zouar to Bardaï via the Tibesti Volcanic Massif Northern Approach
Africa's highest volcano. Zero company.
Surface: Rock
Agadez Region
ExpertPiste de l’Aïr — Iférouane to Timia Oasis via the Aïr Massif Northern Volcanic Plateau
Tuareg oasis route through volcanic Sahara.
Colorado
DifficultTrans-America Trail — Silverton to Durango via the La Plata Mountains and Missionary Ridge Burn Scar
Ghost towns, burn scars, and San Juan shelf roads.
Namibia
ExpertNaukluft Mountains 4×4 Trail — Tsauchab River to Büllsport via Zebra River Canyon and Naukluft Plateau High Spine
Limestone canyons and shale descents in the Namibian heartland.
California
ModerateMojave Road — Piute Spring to Rock Springs Lake via Keystone Spring and Mid Hills (Central Desert Segment)
The hard middle of the old government road.
Australia
DifficultGibb River Road — Mornington Wilderness Camp to Mitchell Falls via Kalumburu Road Junction and King Edward River
Four tiers of falls, zero forgiveness.
California
ModerateMojave Road — Piute Gorge to Fort Piute via Lanfair Valley and Keystone Spring (Eastern Approach Classic)
Civil War ruins and desert wash in the East Mojave.
Australia
ExpertArkaroola Ridge-Top Tour — Gammon Ranges Volcanic Spine via Bararranna Gorge and Sillers Lookout
Ancient lava spine above the South Australian outback.
Arizona
DifficultEl Camino del Diablo — Ajo to Lukeville via the Sonoran Desert Volcanic Corridor
The Devil's Highway — death, desert, and history.
India
ExpertZanskar Valley Road — Kargil to Padum via the Suru Valley and Penzi La Pass
Ladakh with the guardrails removed.