Aysén
ModerateCarretera Austral Patagonia Section
Patagonia's legendary gravel highway
Feature: Remote
Kansas
EasyTallgrass Prairie National Preserve Buffalo Wallows Circuit
Authentic Flint Hills bison range two-track.
Oklahoma
ExpertLynx Prairie Dog Town and Sand Hills Explorer
Oklahoma's Sahara with technical sand challenges
Texas
ModerateEast Texas Caddo Lake Swamp Circuit
Ancient cypress swamps meet oil boom history
Oklahoma
ExpertMedicine Park Granite Boulder Technical Loop
Oklahoma's gnarliest granite boulder challenge
Texas
DifficultBig Bend Ranch State Park Rancherias Loop
Chihuahuan Desert ranch roads through volcanic badlands
Texas
ExpertBrushy Creek State Park Sand Circuit
Deep East Texas sand challenge through piney woods
Oklahoma
DifficultKiamichi Mountains Iron Ore Railroad Grade
Abandoned railroad through forgotten mining country
Oklahoma
ModerateOuachita National Forest Pine Ridge Trail
Deep forest roads through forgotten timber country
Texas
ModerateEast Texas Neches River Industrial Heritage Trail
Railroad grades through Big Thicket oil and timber country