Puerto Rico
ModerateBayamón River Valley Taíno Caves Archaeological Circuit
Karst caves hide Puerto Rico's pre-Columbian past.
Trail Type: High Clearance
Puerto Rico
EasyCabo Rojo Salt Flats to Playa Sucia Lighthouse Trail
Salt flats to lighthouse on dramatic sea cliffs
Puerto Rico
ModerateArecibo Observatory to Cueva Clara Circuit
Observatory to underground cathedral
Puerto Rico
ModerateCerro Las Tetas Twin Peaks Mining Road
Historic copper mines to twin mountain summits
Puerto Rico
ModerateToro Negro State Forest Monte Guilarte Summit Road
Cloud forest climb to island summit views
Indiana
ModerateHarrison-Crawford State Forest Pioneer Ridge Trail
Limestone quarry roads with Ohio River Valley views
Indiana
EasyYellowbank Creek Wildlife Area Hunting Access Roads
Reclaimed mining country adventure
Indiana
ModerateBrown County State Park Backcountry Road
Indiana's forgotten CCC mountain roads
USA
ModerateVermont Route 100 Honey Hollow Road
Green Mountain sugar bush backcountry climb
USA
ModerateVermont’s Green Mountain Forest Road 10
Revolutionary War supply route through Green Mountains