Although many people believe that China's Great Wall is a single continuous structure, a Chinese archaeologist has stated that the wall actually features multiple parallel walls near several of its ...

A pioneering study on the subsidiary frontier wall demonstrates that the Great Wall was not a single line, but a complex network of interconnected defensive structures, whose locations responded to ...

The Berlin Wall fell 30 years ago on November 9, 1989. Many areas where the wall once stood show no vestiges of it today. These photos show how the wall serves as an ever-present reminder of Berlin's ...

When architects—or politicians, for that matter—speak of walls, they usually see them as boundaries dividing one place from another. UnSangDong Architects took a radically different approach at a new ...