USA
ModerateTrans-America Trail — Hector to Wytheville via the New River Valley Backbone
Old mountains, older river, zero pavement.
Surface: Dirt
Australia
ModerateGibb River Road — Imintji to Galvans Gorge via the Kimberley Ranges Heart
Boabs, gorges, and baked corrugations.
Namibia
ModerateNamib Desert Moon Landscape to Swakopmund — Welwitschia Drive and Vogelfederberg Desert Circuit
1,500-year-old plants and a desert that looks like the moon.
Australia
ExpertGibb River Road — El Questro to Mitchell Falls via King Edward River and Drysdale River Station
Kimberley's hardest push — gorges, crossings, falls.
Lesotho
DifficultLesotho Highlands Road — Mokhotlong to Thaba-Tseka via the Roof of Africa High Plateau
Africa's mountain kingdom. No guardrails. No crowds.
Chihuahua
ExpertLienzo Charro to Batopilas Canyon — Copper Canyon Barrancas Track via Creel and Urique Rim
Four times the Grand Canyon. Half the guardrails.
Bolivia
ExpertSalar de Uyuni South Rim Track — San Juan to Laguna Colorada via the Bolivian Altiplano Volcanoes
Volcanoes, flamingos, and a boiling earth at 4,800m.
California
ModerateMojave Road — Afton Canyon to Piute Valley via Government Holes and Lanfair Road Junction
America's oldest desert highway — still wild, still real.
Australia
ModerateGibb River Road — Tunnel Creek to Windjana Gorge via Napier Range Limestone Corridor
Devonian reef, cave outlaws, croc-lined gorges.
South Dakota
ModerateMojave Road — Afton Canyon to Needles via Government Holes and Lanfair Valley (Night Sky Variant)
Grassland benches and a volcanic plug at trail's end.