Illinois
EasyKankakee River State Park Sand Ridge Historic Military Road
1830s military trail through limestone river canyons
Surface: Dirt
Illinois
EasyCache River Wetlands Historic Trace
Ancient cypress swamps in the Prairie State
Illinois
ModerateShawnee National Forest River to River Trail Backway
Ancient trading paths through Illinois wilderness
Illinois
ModerateMississippi River Bottoms Historic Wagon Road
Forgotten river roads through Illinois frontier
Greenland
ModerateTasiusaq Sheep Farm Heritage Circuit
Norse ruins and modern sheep farms in green Greenland.
Greenland
ExpertIlulissat Airport to Sermermiut Archaeological Site Road
Permafrost puzzle to 4,000-year-old Arctic settlements.
Mexico
ModerateRuta de la Plata Michoacán Mining Circuit
Silver mines and forgotten mountain towns
Mexico
ExpertSinaloa Sierra Madre Logging Road
Extreme mountain logging roads through jaguar country
Campeche
ModerateRuta Maya Archaeological Circuit
Maya ruins through Mexico's jaguar country
Mexico
ModerateRuta de los Cenotes Jungle Circuit
Sacred cenote-hopping through Maya jungle