North Dakota
Moderate
Bakken Oil Field Ghost Road Network
Industrial backcountry through boom-bust oil country
Surface: Dirt
North Dakota
Easy
Devils Lake Peninsula Loop
Prairie lake loop with bison and military history
North Dakota
Easy
Cannonball River Backcountry Trail
Prairie solitude along Lewis and Clark's river
North Dakota
Moderate
Killdeer Mountain Battlefield Trail
Where Sully's cavalry met Lakota resistance
North Dakota
Moderate
Turtle Mountains International Peace Garden Backcountry Loop
Border forests few expect to find
North Dakota
Moderate
Knife River Indian Villages Historic Trail
Lewis & Clark's winter trail
North Dakota
Easy
Cross Ranch State Park Backcountry Road
Prairie roads through Lewis and Clark country
North Dakota
Moderate
Little Missouri National Grassland Loop
Ranch roads through America's largest grassland
Nevada
Easy
Washoe Lake to Virginia City Historic Road
Comstock silver rush freight route to Virginia City
Nevada
Difficult
Mahogany Creek Road
Alpine technical climb through Shoshone high country