Dumbarton Castle was built on top of volcanic rock beside the sea. In the 1200s it protected Scotland from Vikings. During World War 2 it became a lookout tower and was fitted with anti-aircraft guns.

Nestled among the stunning scenery of the Scottish Highlands sits ... there has in fact been a castle on the island since at ...

Built in the 1400s, the castle was not only a residence for the Crichton family – one of Scotland's most powerful families – but was also a prison and a fortress. It was in service for nearly ...

were given to Norway by Edgar of Scotland. However, the king’s descendants were determined to recover the islands, and by 1200 they had succeeded. Rothesay Castle, with its formidable defences ...