Atacama
DifficultPaso de San Francisco Border Crossing
One of South America's highest vehicle crossings
Surface: Gravel
Aysén
ModerateCarretera Austral Patagonia Section
Patagonia's legendary gravel highway
Oklahoma
EasyBlack Kettle National Grassland Antelope Hills Circuit
Where Chief Black Kettle made his last stand
Texas
EasyLlano Estacado Windmill Heritage Circuit
High Plains windmill roads across endless sky
Oklahoma
ModerateOsage Nation Sacred Springs Trail
Sacred springs and Osage heritage paths.
Oklahoma
EasyTalihina Drive Buffalo Mountain Overlook Circuit
Oklahoma's ridge-running mountain scenic through Ouachitas
Texas
EasyRolling Plains Windmill Heritage Trail
Century-old windmills across Texas grasslands
Oklahoma
ModerateOuachita Mountains Winding Stair Ridge Trail
Moonshine routes through Oklahoma's highest peaks
Texas
ModerateAngelina National Forest Boykin Springs Recreation Area Timber Circuit
East Texas timber roads through pristine creek country
Oklahoma
ModerateOuachita National Forest Talimena Scenic Drive Backcountry Circuit
Ouachita Mountains backcountry beyond the tourist drive