European castles are some of the world’s most iconic and historically significant structures, many dating back to the Middle Ages. They were primarily built for defense against enemy invaders ...

We have some really old castles here in Northern Ireland ... Carrickfergus Castle is one of the best kept ancient castles in Europe. It was built by a man called John de Courcy.

One of Old Town's most recognizable buildings is The Royal Castle in Warsaw - Museum. This former royal residence and administrative center, which was bombed during World War II and reconstructed ...