Brazil
ModerateTranspantaneira Highway — Poconé to Porto Jofre via the Pantanal Wetland Corridor
147 wooden bridges to jaguar country.
Feature: Historic
Arkansas
ModerateTrans-America Trail — Heber Springs to Harriet via the Ozark National Forest Buffalo River Highlands
The TAT's forgotten Arkansas highland crossing.
Afghanistan
ExtremeWakhan Corridor Road — Bozai Gumbaz to Sarhad-e-Broghil via the Afghan High Pamir Plateau
The edge of driveable Earth in the Afghan Pamir.
Idaho
ModerateNez Perce–Clearwater Forest Road Network — Red River to Elk City via the Gospel Hump Wilderness Divide
Old mining country, hot springs, and real Idaho wilderness.
Brazil
ExtremeTransamazônica Highway — Marabá to Humaitá via the Amazon Basin Interior (BR-230)
Brazil built it, then the jungle took it back.
California
ModerateMojave Road — Afton Canyon to Piute Spring via Soda Lake and Government Holes (West-to-East Historic Crossing)
The Army's old desert highway, still running.
Italy
ModeratePasso dello Stelvio — Bormio to Prato allo Stelvio via 48 Hairpins and the Italian Alpine Roof
48 hairpins. One of Europe's greatest roads.
Australia
ExpertCape York Telegraph Track — Bramwell Junction to Bamaga via the Old Telegraph Line (South to North Full Run)
Australia's hardest run to the top.
Romania
ModerateTransfăgărășan Highway — Curtea de Argeș to Bâlea Lac via the Southern Carpathian High Crossing
Ceaușescu's mountain madness, paved.
California
ModerateMojave Road — Afton Canyon to Piute Spring via Soda Lake and Government Holes (East Segment)
Army camel corps, ghost forts, and playa that bites.