Mysterious tower Chankilo: in the coastal Peruvian desert near the oasis, is the oldest building of America - something like a fortress, built on a hilltop. Fort protected from the south line of the 13 towers.
Oldest Indigo-Dyed Fabric Ever Is Discovered in Peru. The discovery of indigo-dyed fabric from more than years ago in Peru pushes back the use of this blue dye more than a thousand years. Predating the Middle East by about years.