Caral

The 'Sacred City of Caral-Supe' or simply 'Caral,' is an archaeological site where the remains of the main city of the Caral civilization are found. It is located in Peru in the Supe valley, near the current town of Caral, 182 kilometers north of Lima, 23 km from the coast and 350 metres above sea level. It is attributed an antiquity of 5000 years and it is considered the oldest city in America and one of the oldest in the world.

Source: Wikipedia