Iceland
DifficultLaugavegur F225 Volcanic Highland Route
Rhyolite peaks and glacial river crossings
Feature: Camping
Iceland
ModerateSnæfellsnes Peninsula Coastal Highland Circuit
Jules Verne's gateway to Earth's center
Iceland
DifficultAskja Caldera Volcanic Desert Crossing
NASA astronaut training ground to active caldera
California
DifficultInyo Crest Trail
Sierra spine with Whitney views and exposure.
California
ModerateBradshaw Trail
1860s freight route across the Colorado Desert
California
ModerateDeath Valley Backcountry Byway
Desert crossing through America's harshest landscape
Mérida
ExpertCordillera de Mérida Páramo del Batallón Circuit
Venezuela's highest 4x4 route through páramo wilderness
Bahia
ModerateEstrada dos Diamantes Chapada Diamantina Norte
Colonial diamond rush roads through Bahia highlands
Brazil
ModerateEstrada de Ferro Madeira-Mamoré Heritage Railway Trail
Brazil's Devil's Railroad through jungle ruins
Brazil
ModerateEstrada da Borborema Agreste Circuit
Sertão cattle trails through highland stone country