Northern Illinois University
N. Illinois Univ.: Piramide Mayor
A nice graphic on the major temple structure found at Caral, Peru, the location of the oldest civilization in the Americas.
Smithsonian Institution
Smithsonian Magazine: First City in the New World?
An account about Caral, Peru that suggests there was a civilization present in Peru much earlier than was previously thought. The article describes Caral as an ancient city that was flourishing at the same time the Great Pyramids were...
Other
Archaeological Legacy Institute: Caral: Oldest City in the New World
An interview with one of the principal archaeologists (Ruth Shady) involved in the dig at Caral, Peru, site of the oldest civilization in South America. The interview is available in English or in Spanish in mp3 format.