Tiwanaku | culture and archaeological site, Bolivia ...
Tiwanaku, also spelled Tiahuanaco or Tiwanacu, major preColumbian civilization known from ruins of the same name that are situated near the southern shore of Lake Titicaca in Bolivia. The main Tiwanaku site was added to UN''s World Heritage List in 2000. Some scholars date the earliest remains found at the site to the early part of the Early Intermediate Period (c. 200 .