Tiwanaku is a ruined ancient city located near Lake Titicaca in western Bolivia. Tiwanaku (or Tiahuanaco) was the capital of the Tiwanaku Empire from approximately 200 to 1000 AD and lies within the Lake Titicaca basin. At an altitude of 3,850 meters (12,600 ft), it was the highest city in the ancient world and had a peak population of between 30,000 and 70,000 inhabitants.
Puma Punku is an ancient archaeological site located near the city of Tiwanaku in Bolivia. It is believed to have been built by the Tiwanaku culture around 500 AD, and it is considered one of the most important and mysterious archaeological sites in South America.