Researchers have excavated the ruins of a medieval castle buried beneath ... mill room’s grated exit, where water would have ...

That wheel was powered by water flowing through a canal that passed under the castle building, which was then released out into the moat through a grated opening in the mill room. The team also ...

The waste matter fell into the moat below. Even some several hundred years after they were last used, you still can see castle walls stained ... time to time. Clean water, remember, was hard ...

Each castle had gates, often with a metal barrier called a portcullis and with doors made of a very strong wood. And sometimes they had a moat, which is a ditch filled with water to stop people ...

The drawbridge at Threave Castle near Castle Douglas (above) went over a moat flooded with water from the River Dee. A portcullis was a heavy metal gate at the entrance of a castle. The defenders ...