Argentina
Moderate
Ruta Provincial 26 – Bosques Petrificados Circuit
Ancient forest turned to stone in Patagonian badlands
Trail Type: Scenic Drive
Brazil
Moderate
Transpantaneira (MT-060)
Wildlife highway through world's largest wetland
Brazil
Easy
Chapada Diamantina Circuit
Tabletop mountains and diamond ghost towns in Bahia
Brazil
Easy
Trans-Pantanal Highway
Wildlife highway through world's largest wetland
USA
Easy
Olympic Peninsula Forest Discovery Trail
Rainforest giants and forgotten logging roads
Oregon
Easy
Cascade Lakes Highway
Oregon's high country at its finest
USA
Moderate
Comb Ridge Road
Ancient sandstone spine with cliff dwelling views
California
Moderate
Mineral King Road
698 switchbacks to Sierra high country
Montana
Moderate
Going-to-the-Sun Road
Engineering meets wilderness on Glacier's spine.
Argentina
Easy
Ruta Nacional 150 – Ischigualasto Circuit
Ancient bones and alien stones