Agadez Region
ExpertPiste de l’Aïr — Iférouane to Timia Oasis via the Aïr Massif Northern Volcanic Plateau
Tuareg oasis route through volcanic Sahara.
Feature: Scenic
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.
New Zealand
DifficultRooftop of New Zealand — Lewis Pass to Springs Junction via the Lake Sumner Forest Park High Road
South Island rivers that vote with depth.
Argentina
DifficultRuta 40 Far North — Susques to La Quiaca via the Puna de Jujuy and Bolivian Border
Puna silence at 3,600 metres — earn every km.
Algeria
ExpertPiste de l’Hoggar Sud — Tamanrasset to In Guezzam via the Saharan Spine and Algerian-Niger Border
Sahara's spine — where the desert gets serious.
Arusha Region
DifficultNgorongoro Crater Rim to Lake Natron — Rift Valley Volcanic Floor via Ol Doinyo Lengai and Engaruka Ruins
Active volcano, soda lake, forgotten city.
Texas
ModerateTrans-America Trail — Uvalde to Rocksprings via the Nueces River Canyon and Edwards Plateau Divide (West Texas Classic Segment)
Limestone canyons and cattle country, no shortcuts.
Argentina
DifficultPaso Agua Negra — Vicuña to Rivadavia via the Dry Andes High Desert Crossing
4,765 metres of Andean silence between two countries.
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.