The iconic vistas of Peru's Machu Picchu draw over one million visitors each year. Here's how to make the trip. | National Geographic Science

The quickest way to hike to Machu Picchu👇 The famous Inca Trail is a four-day-long trek that takes you across the Sacred Valley and into Machu Picchu. But I didn’t do that hike. I didn’t have the time and I hate camping. Instead, I did KM104, a one-day hike called KM104. It gets its name because it starts at the train marker KM 104. It goes through the Sacred Valley, a beautiful cloud forest, and the super cool Inca ruins of Wiñay Wayna before the trail intersects the main Inca Trail towards Ma