No, it wasn’t built by aliens. But accountants? Maybe. Researchers used drones to get another look at the "Band of Holes" along Monte Sierpe, and their work suggests that the Inca may have ...

New research suggests the Band of Holes functioned as a barter marketplace before becoming an accounting system for the Inca ...

The Peruvian Andes have long concealed a mystery: a 1.5-kilometer stretch of 5,200 precisely carved holes etched into the ...

Peru 's Monte Sierpe, a site featuring thousands of holes snaking across a mountainside in the Andes, has long puzzled ...

New research suggests the Band of Holes in southern Peru may have been first a market and later an Inca accounting device.

Early aerial photographs first highlighted the scale of Peru’s Monte Sierpe monument. Almost a century later, scientists have worked out what it might have been used for ...

New research suggests that the holes were the site of an ancient marketplace, and Inca rulers may have used them as a ...

Sediment analysis and drone photography of the iconic South American monument of Monte Sierpe (aka "Band of Holes") support a new interpretation of this mysterious landscape feature as part of an ...

The end of the year is (almost) upon us and National Geographic is wrapping up 2024 with its annual "Picture of the Year" issue featuring photographers' most breathtaking and culturally relevant ...