Cusco cmperial city is surprising for its tourist wonders, near Ollantaytambo's an ideal route for walkers a surprising and enigmatic Ñaupa-church sanctuary this place has become a destination for adventure and mystery this place passes through the town of Pachar, cross the Urubamba river walk two miles down the railroad and entered a creek that seems uninhabited but it hides one of the best kept secrets of the Incas: a cave with a roof "to two waters "which houses a beautiful huanca (sacred stone) Classic Inca manufacturing, and a mysterious rock carving site resembling an altar stone. Nearby you can see stairs gritty and buildings amid broken.