Looking to wind your way around some switchbacks? Take this route up through South America's largest mountain range.
Answer Trans-Andean Highway, Chile/Argentina
The Trans-Andean Highway has plenty of switchbacks – 29, to be exact. At around 200 miles, from Santiago, Chile to wine country in Mendoza, Argentina, the highway was once served by rail but now is just for rubber. View the highest peak in South America, Mount Aconcagua, from the top!
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