The Inca Empire managed vast territories without a written alphabet, relying instead on a mysterious system of knotted strings known as the khipu. Once dismissed as simple accounting tools, new ...

The heaps of khipus emerged from garbage bags in the back of the tiny, one-room museum—clumps of tangled ropes the size of beach balls. Sabine Hyland smiled as she gazed down at them and said ...

In November 1533, Francisco Pizarro rode triumphantly into Cuzco, the royal capital of the Inca empire, and took stock of its storied treasures. With just 180 hardened soldiers of fortune at his ...

The Inca Empire (Radio Edit) You're Dead to Me Greg Jenner is joined by Professor Bill Sillar and comedian Sue Perkins to learn all about life and death in the South American Inca empire.

At the height of the Inca Empire, it integrated nearly ten million people from a hundred nations. Today, much of the 24,000-mile network is still used by South America’s indigenous peoples.

Archaeologists found two 500-year-old quarries in Cañete mountains and trail transport network from final stage of Inca empire, photos show.

For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?