Texas
ExpertHidden Falls Adventure Park Technical Rock Gardens
Texas limestone rock crawling mecca
Difficulty: Expert
Level 4
Oklahoma
ExpertOzark Plateau Glass Mountain Serpentine Trail
Ozark foothills technical challenge
Iceland
ExpertKverkfjöll F902 Ice Cave Access Route
Fire and ice collide at Vatnajökull's edge.
Iceland
ExpertEyjafjarðardalur F821 Highland Circuit
Remote highland crossing through glacial wastelands
Iceland
ExpertÞórsmörk Valley F249 River Challenge
Multiple glacial river fords to hidden valley
Iceland
ExpertSprengisandur Highland Track
Iceland's most feared highland crossing
Canada
ExpertTibbitt to Contwoyto Winter Road
World's longest heavy-haul ice road to diamond mines
Mérida
ExpertCordillera de Mérida Páramo del Batallón Circuit
Venezuela's highest 4x4 route through páramo wilderness
Brazil
ExpertEstrada do Cabo Norte Cassiquiare Remote Circuit
Brazil's northernmost frontier through Yanomami territory
Mérida
ExpertCordillera de Mérida Trans-Andean Mining Circuit
High-altitude mining roads through Venezuelan páramo