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
Peru with the Amazon river. Peruvian territory was home to several ancient cultures, ranging from the Norte Chico civilization in the 32nd century BC, the oldest civilization in the Americas, to the Inca Empire, the largest and most sophisticated state in pre-Columbian America. The Spanish Empire conquered the region in the 16th century and established a Viceroyalty that encompassed most of its South American colonies, with its capital in Lima. Peru formally proclaimed independence in 1821, and following the military campaigns of José de San Martín and Simón Bolívar, and the decisive battle of Ayacucho, Peru secured independence in 1824. In