The city was surrounded by a great stone wall and moat, the ruins of which survive, but little excavation has been done in the interior.
Despite its urban setting, the estate comes with moats, stone walls and gardens and is said to have a private marine biology laboratory (the emperor is a marine biology enthusiast).
During the Maeda's rule, the castle was their fortress, surrounded by a moat and stone wall that still stands today.
Structures in the stone embankments of the moat, possibly designed to make the water flow continuously in one direction, might reflect the Silla people's efforts to alleviate the ever-increasing problems inherent in a moat.
Inspired by Frances Hodgson Burnett's 1911 classic, "The Secret Garden," the half-acre site features a medieval-style castle over a moat of stones.
By the time of his death, Ieyasu had built the largest castle in the world, a sprawling network of broad moats, towering stone walls, long wooden parapets, huge gatehouses, and great fireproof warehouses full of rice and coin.
The defining feature of the age is the castles —magnificent structures of stone, surrounded by wide moats and topped by graceful ramparts and donjons that dotted the landscape between the 1580s and 1630s.
"Darum", which the Muslims called it, was encased by a wall with 17 strong towers protected by a deep moat with stone-paved sides.
In the near distance, the castle was an eerie and unnerving Bald Mountain — an imposing stone structure, encircled by a moat of ink-black water with cylindrical towers rising above the surrounding trees.
The whole was surrounded by deep moats and massive stone walls.
