Puerto Rico
ModerateCulebra Naval Ammunition Depot Access Roads
WWII bunkers and secret beaches on forgotten island
Trail Type: Backcountry
Puerto Rico
ModerateSierra de Luquillo Forest Service Road 191 Extension
Rainforest roads where mud is the main course
Puerto Rico
ExtremeQuebrada de los Cedros to Río Grande de Manatí Circuit
Lost coffee plantation roads in Puerto Rico's wildest mountains
Puerto Rico
DifficultPlaya Flamenco to Tamarindo Beach Military Track
Navy bombing range roads to hidden Caribbean paradise
Puerto Rico
ModerateRio Camuy to Quebradillas Karst Backcountry Road
Karst country from caves to coast.
Puerto Rico
ModerateVieques Military Training Route to Mosquito Pier
Navy bombing range turned Caribbean wilderness drive.
Iowa
DifficultLoess Hills Pioneer Ridge Backcountry Route
Unique windblown ridge traverse in prairie country
Indiana
ModerateBig Woods Lake Recreational Area Primitive Trails
Muddy tracks through Indiana's last old-growth forest
Maine
ModerateMaine’s Baxter State Park Scientific Forest Management Unit Roads
Working forest roads through active timber operations
New York
DifficultAdirondack Park Cold River Road
Follow the hermit's path to forgotten Adirondack wild