Iceland
Expert
Fjallabak Nature Reserve Route (F225)
Rainbow mountains and volcanic fury
Trail Type: Technical 4x4
Iceland
Expert
Þórsmörk Valley Highland Route (F249)
Iceland's most notorious river crossing challenge
Iceland
Expert
Westman Islands Highland Access (F249)
Expert highland connector between volcanic legends
Iceland
Difficult
Landmannalaugar Loop (F208)
Rainbow mountains earned through serious river fords
Arizona
Difficult
Swansea Townsite Road
Concrete ghost town above the Colorado River
Arizona
Moderate
Black Hills Rockhound Loop
Desert mining ruins and rockhound paradise
Arizona
Expert
Wabayuma Peak Backcountry Road
Expert technical climb to Mohave County's highest peak
Arizona
Expert
Harquahala Mountain Road
Punishing climb to Arizona's most remote lookout tower.
Arizona
Difficult
Backway to Crown King
Arizona's gnarliest mountain road to ghost town glory.
Texas
Difficult
Palo Duro Canyon Buffalo Wallow Trail
Technical limestone drops in America's second canyon