Ancient Athens had its own "Great Wall" like China's, built to stop raids during the Peloponnesian War (431-404 BC).

Egyptians may have harnessed hydraulic power not only for agriculture and transport but also for building pyramids. This ...

The hydraulic-powered mechanism could have maneuvered the oversized stone blocks forming the pyramid, starting from the ground up. The research team says the Step Pyramid’s internal architecture ...

Two ancient stone circles have emerged ... A mile north of Metheral lies the second stone circle, located near a feature called Irishman’s Wall. Although only six stones remain visible ...