An important castle was built here in 1231 by the Count of Boulogne.

In 1425 Blankenstein is one of the most important castles in the county.

The trip is too strenuous, and in any case she wants to see only the most important castles in Europe.

John may have wished to regain direct control of what was an important castle.

This important borderline castle was established at the beginning of the 14th century.

In that time it was one of the most important castles in Croatia.

It was a large and important castle, having been built in the 13th century; the walls were reportedly 5 feet thick.

In the Middle Ages an important castle was built.

In those times it was a very important defensive castle.

From 1209, construction began of a more important castle, rectangular in plan, with a tower in each corner.