Pennsylvania
EasyPhiladelphia Water Works Reservoir Access Road
Industrial heritage behind Fairmount Water Works
Surface: Mixed
Pennsylvania
ModerateDelaware River Camden Waterfront Industrial Circuit
Active port roads through Delaware River industrial zone
Pennsylvania
ModerateGirard Point Bridge Industrial Approach Circuit
Industrial maze beneath Philadelphia refineries
Pennsylvania
EasyPhiladelphia Navy Yard Industrial Access Road
Naval shipyard ghost roads along Delaware River
Pennsylvania
DifficultDelaware River Port Authority Maintenance Circuit
Bridge infrastructure meets urban exploration
Pennsylvania
ExpertFrankford Arsenal Munitions Storage Loop
Cold War bunkers meet urban archaeology
Pennsylvania
ModerateSchuylkill River Trail Power Line Access
Urban utility corridors meet industrial archaeology
Argentina
ExtremeCircuito Volcánico Puna de Catamarca
World's highest active volcano region traverse.
Argentina
EasyRuta Nacional 52 Salinas Grandes to Purmamarca
Salt flats to seven-colored hills classic route
Argentina
ModerateRuta Nacional 9 Quebrada del Toro
Railway-parallel high-altitude quebrada traverse