Seabird poop, along with food waste, feathers and carcasses, accumulates as guano, which is prized as a nutrient-rich fertilizer. Richard McManus via Getty Images Before the Inca civilization rose to ...

In 1532, in the city of Cajamarca, Peru, Spanish conquistador Francisco Pizarro and a group of Europeans took the Inca ruler Atahualpa hostage, setting the stage for the fall of the Inca Empire.

For nearly five centuries, something ancient has waited beneath Cusco, Peru’s cobblestone streets. While tourists photograph colonial churches and Inca stonework above, an extraordinary mystery has ...

Using CT scans, researchers have revealed new information about four girls believed to have been buried roughly 500 years ago in the Peruvian Andes as offerings to the gods, according to a new study ...

Machu Picchu stands 2,430 m above sea-level, in the middle of a tropical mountain forest, in an extraordinarily beautiful setting. It was probably the most amazing urban creation of the Inca Empire at ...

Quebrada de Humahuaca follows the line of a major cultural route, the Camino Inca, along the spectacular valley of the Rio Grande, from its source in the cold high desert plateau of the High Andean ...

The rise and fall of the Inca is a story of a civilization marked by gold, power and ingenuity; from monumental cities and vast empires to dazzling treasures that inspired legends, the Incas conquered ...