There's much to see in Cusco and the surrounding area, but you can do a lot if you have three days to explore. Day 1: Visit the Incan ruins at Qorikancha in the morning. After lunch, head into the Sacred Valley to see more ruins near the city. Hike up to Sacsayhuaman for the sunset. Day 2: Take a colectivo out to Pisac and Ollantaytambo. Visit the ruins at Moray and the salt mines at Maras. Day 3: Visit Tipon Zoo in the morning. Then, explore the galleries of Las Blas, the arts district.