Source: Photo By Steven Striegel The mountain passes in the world are some of the most breathtaking, but they also come with unpredictable terrains. Due to their high-altitude location, these passes experience some of the harshest weather. From sudden snowstorms to biting winds, and from the Himalayas to the Andes, each of the mountain passes has unique weather challenges you need to be aware of before planning a trip down to the pass. Below are 18 mountain passes around the world where natur...