Chihuahua
DifficultCopper Canyon Urique Rim to Batopilas — Chihuahua Sierra Madre Barrancas Descent
Mexico's deepest canyon — one lane, no guardrails.
Feature: High Altitude
Colorado
DifficultRooftop of the Rockies — Mosquito Pass Road via Leadville and Alma
Highest named pass road in the USA.
Gorno-Badakhshan
ExpertWakhan Corridor Road — Langar to Ishkashim via the Panj River Valley (Tajikistan Side Full Run)
Drive the edge of the world. Afghanistan next door.
Kyrgyzstan
DifficultPamir Highway — Osh to Dushanbe via the Wakhan Corridor Junction and Murghab Plateau (M41 Full Traverse)
The Roof of the World, unfiltered.
South Africa
ModerateSwartberg Pass — Prince Albert to Oudtshoorn via the Great Karoo Mountain Crest
Bain's stone masterpiece — Africa's finest mountain pass.
China
DifficultSichuan–Tibet Highway — Derong to Deqin via Benzilan and the Lancang River Canyon
Mekong canyon walls and Tibetan peaks on a crumbling shelf.
New Mexico
ModerateTrans-America Trail — Grants to Quemado via the Continental Divide Dirt Corridor
Pavement-free across the Continental Divide.
Italy
ModerateStelvio Pass High Alpine Road — Bormio to Prato allo Stelvio via the Eastern Alps Roof
75 hairpins. 9,045 feet. No excuses.
Georgia
ModerateKavkazion Military Highway — Tbilisi to Kazbegi via the Georgian Military Road and Jvari Pass
Silk Road, Soviet tarmac, Caucasus sky.
Arizona
ModerateCoronado Trail Scenic Byway — Springerville to Clifton via the White Mountains and Blue Range Primitive Area (US-191 Full Run)
89 miles of switchbacks. Zero shortcuts.