The Lares hot springs in southern Peru are made up of outdoor pools surrounded by tall stone walls, grassy fields, and outdoor showers. The natural hot springs have been used by locals in practices that extend back to pre-Columbian civilizations. Lares is a small town in the Andes 40 miles north of Cusco. Getting there involves a rollercoaster of drive from Calca through breathtaking terraced mountains. A one-lane mountain pass winds erratically some 14,000 feet above the clouds. Streams wash over the road at hairpin turns and llamas wander below…