Mexico
EasySierra de Zacatecas Silver Mining Ghost Town Circuit
Colonial silver roads through mountain ghost towns.
Surface: Gravel
Baja California
ModerateSierra de San Pedro Mártir Alpine Circuit
Alpine forests and astronomical observatories
Mexico
ModerateRuta de los Minerales Real de Catorce to Matehuala
Silver ghost towns through sacred desert mountains
Mexico
ModerateCarretera El Espinazo del Diablo
Mexico's most terrifying mountain highway.
Baja California
ModerateSierra de San Pedro Martir Observatory Road
Baja's mountain observatory access road
Baja California
ModerateBaja California Spine Trail
1,000 miles of desert freedom from border to cape
Ireland
ModerateGaltee Mountains Glen of Aherlow Forest Track
Forestry roads to Ireland's highest inland summit
Ireland
ModerateMourne Mountains Silent Valley to Ben Crom Track
Granite peaks and reservoir engineering heritage
Ireland
ModerateSally Gap Military Road
Military history meets mountain wilderness
Ireland
ModerateWicklow Gap Military Road
1798 rebellion road through Wicklow's granite heart