And on the frontiers of the lost empire, they are piecing together dramatic evidence of the wars Inca kings fought and ... recording every scattering of pottery sherds or toppled stone wall ...

"Land of the Four Quarters" or Tahuantinsuyu is the name the Inca gave to their empire. It stretched north to south some 2,500 miles along the high mountainous Andean range from Colombia to Chile ...

"Land of the Four Quarters" or Tahuantinsuyu is the name the Inca gave to their empire. It stretched north to south some 2,500 miles along the high mountainous Andean range from Colombia to Chile ...