The Inca state's domain was unprecedented, its rule resulting in a universal language - a form of Quechua, a religion worshipping the sun, and a 14,000 mile-long road system criss-crossing high ...

The ancient Inca had no known written language, but they may have used an intricate language of knots. Khipu, or quipu, taken from the Quechua word for “knot,” are collections of cotton or ...

Viewing Ideas for the NOVA program Great Inca Rebellion, The: Make a time line of Inca civilization on the board. Have students research and plot when Inca civilization began, when it peaked, and ...

Stanley Chen Xi / Getty Images. The Inca Empire owes much to the humble llama—and to the animal’s droppings. As a 2011 study of the fallen Andean civilization revealed, llama dung served as an ...