Tiwanaku iwas one of the most important precursors to the Inca Empire.
Sites 2
- Andean and Tiwanaku Archaeology Alvaro Higueras' page describing archaeological research on the prehistoric Tiwanaku polity, recent investigations in Cochabamba, Bolivia, and containing a portal to archaeological research in Andean South America.
- Wikipedia - Tiwanaku Encyclopedic entry for an important Pre-Columbian civilization and archaeological site in Bolivia.