The Inca Trail got used as a communication system for the Incas to run from one place to another in the humongous Inca Empire which stretched from southern Colombia to the north of Argentina. There are different Inca trails to hike, but this one is the most famous Inca trail and it will take you from Sacred Valley to Machu Picchu which is one of the Seven Wonders of the World, through beautiful landscapes and different archaeological Inca sites.