Inti Punku, also known as the Sun Gate, is an archaeological site in Peru that once served as a fortress for the sacred city of Machu Picchu. It was the main entrance to Machu Picchu from the capital city of Cusco and is dedicated to the Incan Sun god, Inti. Tourists can hike the Inca Trail to reach Inti Punku, where they can enjoy stunning views of Machu Picchu and the surrounding mountains. The site is famous for its significance during the summer solstice when the rising sun aligns with the gate.