The ancient ruins of Machu Picchu are located in Peru. This iconic Incan city, often referred to as the "Lost City of the Incas," is situated high in the Andes Mountains at an altitude of approximately 2,430 meters (7,970 feet). Built in the 15th century, the site consists of well-preserved architectural structures, including temples, agricultural terraces, and residential buildings. Discovered by American historian Hiram Bingham in 1911, Machu Picchu is now a UNESCO World Heritage Site and attracts millions of visitors each year, offering insight into the Incan civilization and its advanced engineering and agricultural practices.