Machu Picchu is a well known and all-too-well traveled Inca destination high above the Urubamba River Valley in Peru. During the 90 minute train ride from our base in Ollantaytambo to Aguas Calientes at the base of Machu Picchu, the Urubamba River was in view most of the time. It is the most turbulent, violent river with non-stop rapids I ever have seen. So this deep valley is still being carved out by nature at a steady pace. Continue reading