Rare/Oddities 10 Worlds Most Dangerous Stairways to HeavenBy Payal Bansal - January 14, 2014Machu Picchu/Wayna Picchu, PeruAdventurers paradise, Machu Picchu is in Peru. Hikers chose the Inca trail to hike the Machu Picchu. The mountain is full of dangerous treks and pathways. Stairs so old and damaged that it becomes really hard to hike.