Argentina
DifficultPaso Abra del Acay — Salta to San Antonio de los Cobres via South America’s Highest National Road
Highest national road in South America. Earn it.
Surface: Rock
Agadez Region
ExpertPiste de Tahoua — Agadez to Tahoua via the Aïr Massif Southern Descent
Saharan piste where caravan routes still rule.
Romania
DifficultTransylvania Transbucegi — Sinaia to Padina via Babele and the Bucegi Plateau High Road
Limestone sphinxes and cloud-shrouded plateau high above Transylvania.
USA
DifficultWhite Rim Road — Canyonlands National Park Inner Canyon Circuit via Hardscrabble Hill and Murphy Hogback
100 miles of canyon bench. Zero margin for stupid.
Ethiopia
ExpertSimien Mountains High Road — Debark to Ras Dashen Base Camp via the Ethiopian Roof Escarpment
Ethiopia's escarpment edge — geladas, cliffs, and sky.
California
DifficultMojave Road — Needles to Barstow via Piute Spring, Government Holes, and Afton Canyon (Night Sky Variant, West-to-East Return)
140 miles of Mojave history and volcanic grit.
Jamaica
ExpertGibb River Road — Derby to Kununurra via the Kimberley Gorge Country (Wet Season Closed, Full Traverse)
The jungle that ate the British Army.
Algeria
ExtremePiste du Hoggar Est — Tamanrasset to Djanet via Hirafok and the Tassili Approach
700km of Saharan silence, no room for mistakes.
Tennessee
DifficultTrans-America Trail — Hector to Tellico Plains via the Unicoi Mountains
Deep Appalachia on Correro's original dirt.
California
DifficultMojave Road — Needles to Barstow via Fort Piute, Government Holes, and Afton Canyon (Full East-to-West Historic Crossing)
138 miles of wagon-rut Mojave history, end to end.