The Chimu Kingdom, with Chan Chan as its capital, reached its height in the 15th century, not long before falling to the Incas. The planning of this huge city, the largest in pre-Columbian America, reflects a strict political and social strategy, marked by the city\'s division into nine \'citadels\' or \'palaces\' forming autonomous units. Chan chan Archaeological site of Chan Chan is well known for its large amount of intact burial mounds and sub-floor burials. Chan Chan is the largest Pre-Colombian site in South America