South American History
The Earliest and Greatest Engineers Were the Incas
Smithsonian Secretary G. Wayne Clough treks to Peru to see how Machu Picchu was built
Farming Like the Incas
The Incas were masters of their harsh climate, archaeologists are finding—and the ancient civilization has a lot to teach us today
Saving Machu Picchu
Will the opening of a bridge give new life to the surrounding community or further encroach upon the World Heritage Site?
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