Huaca Pucllana

According to Wikipedia, the Lima Culture developed on Peru's central coast between about 200 and 700 AD, and Huaca Pucllana was one of its important ceremonial and administrative centres. The article explains the Great Pyramid as a way for the elite clergy, who governed several neighbouring valleys, to display religious power and to control the zone's water resources. The structure is built of seven staggered platforms, and the enclosure is described as more than 500 metres long, 100 metres wide and 22 metres high.

The name is thought to derive from the Quechua words wak'a, meaning a shrine or sacred place, and pukllana, meaning a game or play area. Another suggestion is that it refers to a pre-Inca chief of the area, so the origin of the name is not settled.

A plaza borders the outer limits, and a large wall divides the complex into two sections. One section contains benches and deep pits that were used for offerings of fish and other marine life, which fits the importance of the nearby sea to the culture. The other is an administrative area with small clay structures and adobe huts that appear to have served as courtyards and patios.

Remains of the Wari culture, which dates from roughly 500 to 1000 AD, are also present at the site. The Wari had a direct influence on Lima Culture society toward the end of its period, and the later layers record that change. Burials have been found, including the tomb known as the Senor de los Unkus, or Lord of the Unkus. It was the first tomb in the ceremonial centre found completely intact, and it held three burial shrouds with the remains of three adults, two of them wearing masks, as well as a sacrificed child.

A site museum opened in 1984 and presents finds from the area. Wikipedia flags that its article on the site needs further sources, so details of the excavation history are best confirmed on site. The pyramid is a rare example of an ancient monument that can be seen from a modern street, and walking its terraces with a guide helps explain how adobe was used to build a monument on such a scale.

Because the site sits in a busy district, a private guided visit with a driver fits easily into a wider day in Lima, alongside the Miraflores coastline and the historic centre.

Wikipedia also notes that the Great Pyramid was meant to demonstrate the clergy's religious power and their control over nearby saltwater and freshwater resources, which helps explain why such a monument was built on the central coast. The combination of ritual pits, plazas and administrative huts shows a site that served both religion and governance.