Sacsayhuaman near Cuzco, Peru

No presentation of stone masonry would be complete without including the Inca ruins in South America.  Sacsayhuaman is an Inca ruin near Cuzco, Peru.  The size of the granite blocks used at Sacsayhuman and tightness to which they were fit is difficult to believe.  Stone work of this scale will almost certainly never be built again.

• The Sacsayhuaman Fortress is an imposing example of Inca military architecture.
• The fortress was hewn from granite blocks to protect the city from marauding tribes.
• How the granite blocks were fit so tightly, without steel tools, is hard to comprehend.