Tourism in Peru tourism forms the largest sector of the tourism industry in Peru. Pre-Columbian civilizations – most notably the Inca Empire, Chavín, Moche, and Nasca – left a large archeological and cultural impact on the nation. The ruins of Machu Picchu are the most internationally recognized of all the ruins of Peru and therefore receive the most tourists. The other popular ruins are those of Chan Chan, Sipán, Kuelap, Nazca Lines, Ollantaytambo, Caral, Sacsayhuamán, and Sillustani. Tourists also visit the Spanish colonial architecture in many cities in Peru. Some of the most outstanding examples of Spanish colonial architecture are in the cities
Child sacrifice in pre-Columbian cultures pre-Columbian cultures. For example, the Moche of Northern Peru sacrificed teenagers en masse, as archaeologist Steve Bourget found when he uncovered the bones of 42 male adolescents in 1995. "Qhapaq hucha" was the Inca practice of human sacrifice, mainly using children. The Incas performed child sacrifices during or after important events, such as the death of the Sapa Inca (emperor) or during a famine. Children were selected as sacrificial victims as they were considered to be the purest of beings. These children were also physically perfect and healthy, because they were the best the people could present to their gods.