Brazil
DifficultEstrada da Serra dos Órgãos Petrópolis Circuit
Imperial mountain road through granite cathedral peaks
Difficulty: Difficult
Level 3
Ecuador
DifficultRuta del Tungurahua Volcano Access Road
Monitor an active volcano from the danger zone
Bolivia
DifficultCordillera Real La Paz to Coroico Yungas Death Road Extended Circuit
Extended Death Road circuit through Cordillera Real
Amazonas
DifficultCordillera Oriental Chachapoyas Cloud Forest Traverse
Pre-Inca cloud forest where warriors ruled the mist
Mérida
DifficultCordillera de Mérida Paso del Águila High Circuit
Cloud forest to páramo in the Venezuelan Andes
Pennsylvania
DifficultPennypack Creek East Branch Technical Challenge
Technical creek crossings in urban Philadelphia
Pennsylvania
DifficultPine Barrens Power Line Access Road
Deep sand utility corridor through protected wilderness
Pennsylvania
DifficultDelaware River Port Authority Maintenance Circuit
Bridge infrastructure meets urban exploration
Pennsylvania
DifficultCobbs Creek Park Utility Access Circuit
Technical creek valley challenge in West Philly
Argentina
DifficultRuta Nacional 150 Paso Internacional de San Francisco
Historic trans-Andean pass at 4,726 meters.