The essential Cusco circuit — two days covering the Sacred Valley of the Incas and Machu Picchu, the minimum needed to do both justice. Day one follows the Sacred Valley from Pisac market through Ollantaytambo, staying overnight in Aguas Calientes. Day two is Machu Picchu itself. A small-group tour with an expert guide, train tickets Ollantaytambo to Aguas Calientes and back, and a night at a well-reviewed Aguas Calientes hotel. Entry tickets to Machu Picchu and the Sacred Valley sites are included.