Stelvio Pass, Italy (20/20)

Known for its dramatic switchbacks and steep climbs, Stelvio Pass in the Italian Alps is a legendary cycling route for road cyclists. At 2,757 meters (9,045 feet) above sea level, it is the second-highest paved mountain pass in the Alps, offering cyclists spectacular views of snow-capped peaks, rugged valleys, and alpine meadows. The challenging ascent is rewarded with panoramic views of the surrounding mountains and pristine landscapes.