Researchers used drones to get another look at the "Band of Holes" along Monte Sierpe, and their work suggests that the Inca ...

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

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 ...

Hundreds of years ago, someone took great pains to carve thousands of holes into a long ridge-top strip in the Andean ...

For years, researchers have questioned who created the “band of holes” site in Peru. A new study suggests it was an ancient marketplace.

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

No, aliens had nothing to do with a winding 1.5-kilometer-long path of holes. First used as a market, the Inca then repurposed it for tax collection.

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

Read about photographer Jim Richardson's experience with travel photography and get advice on trying new photography techniques from National Geographic.

Sediment analysis and drone photography of the iconic South American monument of Monte Sierpe (aka "Band of Holes") support a ...