BBC News: Mummy trove found in Peru: Archaeologists discover thousands of mummies in a Lima shanty town dating from the last decades of the Inca civilisation.
Inca: Virtual exhibit explores the culture and technology used by the ancient people of Latin America.
Inca Engineering: from Newton's Apple. The Incas never discovered the wheel, concrete or mortar. Yet their soaring buildings were strong and beautiful. How did they do it?