Located way up in the High Atlas Mountains at the edge of the Sahara Desert, the cleft features cliffs towering up to 1600 feet tall, with some of the roads going through fissures only 30 feet wide.
While Stelvio Pass is only the second highest paved mountain pass in the Alps at 9045 feet, its passages are much more precarious.
Only 16 feet tall and 13 feet wide, this 3/4-mile tunnel was built by villagers in 1972, desperate to connect their village to the world outside the Taihang Mountains. Many of the Guoliangers died during its five-year construction.
Once named the “world’s most dangerous road,” El Camino de la Muerte is a 38-mile long journey through the mountains, leading from La Paz to Coroico. It is estimated that 200-300 travelers yearly die while traversing it.
9. Atlanterhavsveien (Atlantic Ocean Road), Norway
Despite looking menacing in bad weather conditions, Atlanterhavsveien is actually ranked as one of the best scenic roads in the world, with insane curves and epic vistas.
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