Hawaii
Difficult
Kahana Valley Backcountry Road
Deep jungle penetration into pristine valley
Feature: Remote
Hawaii
Moderate
Saddle Road to Mauna Kea Access Road
Summit drive to Pacific's highest peak
North Dakota
Expert
Rattlesnake Creek Badlands Trail
Clay hell through badlands fossil country
North Dakota
Easy
Prairie Potholes Wildlife Drive
Wetlands and waterfowl in pothole country
North Dakota
Moderate
Enchanted Highway Sculpture Loop
Giant metal sculptures on endless prairie backroads
North Dakota
Difficult
Antelope Creek Fossil Trail
Dinosaur fossils in remote Hell Creek badlands
North Dakota
Moderate
Burning Coal Vein Road
Underground coal fire burning since the 1950s
North Dakota
Moderate
Souris River Loop Trail
Prairie pothole wetland wilderness loop
North Dakota
Moderate
Slope County Badlands Backcountry Circuit
Hidden badlands beyond the tourist trail
North Dakota
Difficult
Missouri River Confluence Backcountry Trail
Remote river confluence technical challenge