An expedition by the Scientific Exploration Society across the South American river network in reed boats under the leadership of Colonel John Blashford-Snell. Reports on discoveries.

From Backdirt, Collasuyu Program provides the infrastructural support for a number of archaeological research projects in the region.

Andes related articles and photo galleries by James Q. Jacobs, covering archeological sites, history, prehistory and cosmology. Includes Machu Picchu, Tiwanaku and Tupac Amaru.