La Paz, Bolivia – Mountain Biking on Death Road (9/20)

For an extreme biking challenge, La Paz’s infamous Death Road is a must. This perilous 40-mile stretch of mountain road takes you from the high altitudes of the Andes down to the Amazon basin. It’s notorious for its steep drops and narrow paths, but the thrill of racing down the road with breathtaking views makes it an unforgettable experience.