Ollantaytambo, Peru is the last enduring example of a pre-columbian city. Dating back to the 15th century the town maintains some of the oldest continuously inhabited houses in South America. The locals dress colorfully, often in hand woven clothing like these little girls who were playing near the Incan ruins that tower over the town.
Located in the Sacred Valley of the Inca's, Ollantaytambo is not far from Cuzco and there are several ways to get there. Nearly all travel agencies in Cuzco sell day trips to Ollantaytambo and surrounding areas. It is also possible to take a bus from Cuzco to Urubamba and then a connect to Ollantaytambo. Alternatively there is train service from Cuzco, but beware that this option is not cheap! There are separate trains for foreigners and locals and foreigners are strictly prohibited from riding on local trains.