Paraguay
Moderate
Trans-Chaco Highway
Paraguay's infamous mud-and-dust wilderness crossing
Feature: Remote
Argentina
Expert
Ruta de los Seismiles
High-altitude volcanic desert route above 4,000 meters
Peru
Expert
Cordillera Huayhuash Circuit
Remote Andean circuit around Peru's razor-sharp peaks
Bolivia
Moderate
Lagunas Route (Ruta de las Lagunas)
High-altitude lake circuit through Bolivia's Altiplano
Venezuela
Difficult
Lost World Circuit – Mount Roraima Access
Access route to Conan Doyle's Lost World
Chile
Moderate
Carretera Austral
Patagonia's ultimate gravel highway adventure
USA
Moderate
Backcountry Discovery Route – Wyoming (WYBDR)
Five Continental Divide crossings through Wyoming's heart.
Algeria
Expert
Trans-Sahara Highway – Algeria Section
Where legends are born and rigs are broken
Colorado
Difficult
Backcountry Discovery Route – Colorado (COBDR)
675 miles of thin air and thick rock
USA
Difficult
Trans-America Trail – Utah Section
Where the TAT gets mean and the slickrock bites back