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
Pre-Columbian rafts one attempt reached Costa Rica. The various voyages have demonstrated the seaworthiness of prehistoric rafts and, in the words of an early Spaniard, that the Indians who sailed them were "great mariners." The Spanish colonists in Peru and Ecuador from the 16th to the 19th centuries relied on the Indians of the Peruvian and Ecuadorian coasts and their rafts for coastal trade. Pre-Columbian rafts Pre-Columbian rafts plied the Pacific Coast of South America for trade from about 100 BCE, and possibly much earlier. The 16th century descriptions by the Spanish of the rafts used by Native Americans along the seacoasts