Although the Inca civilization becan during the 13th century, the Inca Empire peaked and then ended in the 16th century. Its official language was Quechua and it covered the western part of South America ad included the Andean Mountains.
 
 
Recommended Resources
About Peru History: Inca Civilization
Contains the history of the ancient civilization of the Incas, their beliefs and language, and the rise and fall of the empire. Also displays photographs of the ruins.
http://www.about-peru-history.com/inca-civilization.html
Crystalinks: Inca Civilization
Provides a historic record of the ancient empire, a map which shows the expansion of the Inca Empire from 1438 to 1525, and a list of emperors and kings who reigned. There is a section addressing the geography of the western coast of South America, and descriptions of the roads, music, religion, and demographics of the people.
http://www.crystalinks.com/incan.html
Profiles the culture of current day Inca people, the descendants of the citizens of the Inca Empire. Sections here include those which address the modern Peruvian family, the ruins at Chinchero, the weavings, and the village market.
http://www.incas.org/
Compiled by the director of Peruvian Expeditions of Yale University, this site contains an entire book and the accompanying illustrations and photographs of four journeys into Peru's interior as well as his explorations into early writings about the Incas.
http://www.kellscraft.com/IncaLand/incalandscontents.html
Shares a full screen virtual tour of Machu Picchu, photographs, and detailed descriptions of the land. Also sets forth information about modern-day Machu Picchu, from the Inca Trail to restaurants.
http://www.destination360.com/south-america/peru/machu-picchu
National Geographic: Inca Empire
Complete with vivid pictures of the ruins of the Inca, this site provides a guide to Machu Picchu, photographs of mummies and other Incan artifacts, and a detailed account of the archeological sites and former home of these Peruvian indians.
http://ngm.nationalgeographic.com/2011/04/inca-empire/pringle-text
The narrative of a 1996 expedition to the summit of Sara Sara by a high-altitude archaeologist searching for frozen mummies, killed as sacrifices. The result of this expedition is this three-part NOVA series entitled "Ice Mummies."
http://www.pbs.org/wgbh/nova/peru/