Many millions of years ago, a section of ocean was isolated in what would become the Andes. When it eventually receded, it ...

For centuries, the 5,200 mystery holes scattered across the Peruvian Andes have baffled archaeologists. These pits, each ...

When Uriel plans his work schedule late in summer near his village in the Peruvian mountains, his first decision is usually ...

Archaeologists uncover how ancient holes in Peru’s Andes may have formed a marketplace used for trade and record-keeping.

This mountainside is covered in thousands of mysterious ancient holes. Scientists now believe they know why - Early aerial ...

In Peru’s mysterious Pisco Valley, thousands of perfectly aligned holes known as Monte Sierpe have long puzzled scientists.

Researchers say Monte Sierpe’s 5,000 aligned pits once supported trade and recordkeeping, offering a new view of Inca-era ...

In South America, a mysterious monument stretches almost a mile (1.5 kilometers) through the southern Peruvian Andes. Called Monte Sierpe, meaning serpent mountain, it consists of rows of around 5,200 ...

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.