An excavation project in northwestern France has uncovered the ruins of a medieval castle with its moat still intact as well as jewelry and other artifacts, officials said. The castle, believed to ...

WAKAYAMA—A rare event to explore the underwater world of Wakayama Castle’s moat took place here on Oct. 5 as volunteers and city officials lowered the water level, revealing a hidden ecosystem.

Cruising along the moat that surrounds Matsue Castle, a national treasure, passengers pass under no less than 16 bridges.

The Eyrie is seen in Game of Thrones as the most impregnable castle in Westeros. The Eyrie's layout may keep invaders out, but it struggles with long-term defense. Moat Cailin and Casterly Rock ...