The most famous landmark in Peru is Machu Picchu. This ancient Incan city, located in the Andes Mountains, attracts visitors from around the world due to its remarkable architecture and historical significance. Machu Picchu is often referred to as the "Lost City of the Incas" and is a UNESCO World Heritage Site. It offers stunning views of the surrounding landscape and serves as a testament to the ingenuity and advanced engineering of the Inca civilization.