In the world of extreme sports, hiking may seem like a common activity. If that's your point of view. From sheer mountainous terrain to boiling desert valleys
ANGEL'S LANDING: ZION NATIONAL PARK, UTAH
HUA SHAN TRAIL: HUAYIN CITY, CHINA
EL CAMINITO DEL REY: EL CHORRO, SPAIN
KALALAU TRAIL: KAUAI, HAWAII
WENDENSTOCK, SWITZERLAND
WEST COAST TRAIL: VANCOUVER ISLAND, CANADA
HALF DOME: YOSEMITE NATIONAL PARK, CALIFORNIA
In a park full of challenging hikes, Half Dome is undoubtedly the most difficult. During the 16-mile hike