Inca Trail to Machu Picchu 4 days: is beyond a doubt one of the most beautiful trails in America and also it gives you an unforgettable experience not to be missed. The Inca trail leads through the protected wild nature of the Peruvian jungle and forest steppe, passes several archeological Inca sights and offers impressive views. The Incas used this itinerary for their pilgrimage to the sacred citadel Machu Picchu.