Lima, for the Historic Centre, colonial architecture  known to be the best in South America
Callao, largest maritime port  founded in 1537 and Real Felipe Fortress
Arequipa, the “white city”, baroque colonial churches and mansions
Chan Chan, an archaeological site, largest Pre-Columbian city in South America
Cusco, capital of the Incan Empire and a few hours from Cusco by train: the citadel of Machu Picchu
Chavín de Huantar, an archaeological site containing ruins and artifacts originally constructed by the Chavín, a pre-Inca culture
Nazca lines
Puno, colonial architecture and next to Lake Titicaca