Edinburgh Castle Edinburgh Castle is perhaps one of the most famous castles not only in Scotland but in the whole of the UK. It's situated at the very top of the Royal Mile and has become one of the biggest visitor attractions. In fact, we'd go as far as to say that it's one of the most iconic buildings in this city. If you love history and architecture, then we know you'll love Edinburgh Castle and all it has to offer. If you're still not convinced, perhaps the fact that it's perched atop an extinct volcano may change your mind?