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 ...

The new discovery could potentially help scientists solve the puzzle of the Tiwanaku civilization's disappearance.

Ruins of the Palaspata temple complex from the millennia-old Tiwanaku civilization are unraveling some mysteries about the relatively unstudied society.

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 ...