Machu Picchu, the “Lost City of the Incas,” is a 15th-century masterpiece of architecture and engineering situated at an altitude of 2,430 meters. This UNESCO World Heritage Site is renowned for its granite constructions, such as the Temple of the Sun, the Intihuatana, and the Royal Residence, which exhibit precise astronomical alignment. The citadel is divided into agricultural and urban sectors, surrounded by spectacular, gravity-defying terraces. To visit, it is crucial to book months in advance, choosing from various tours that allow you to explore its temples or ascend Huayna Picchu and Machu Picchu Mountain for panoramic views.