Warwick Castle is ace. Having great weather probably helped, but the place was pretty cool too.
View from the top
Castle and Mill
The two big round things on each side take a person each, who walk inside them to lift up a four ton weight that is used to propel the payload a heck of a distance. If someone rocks up outside your castle with one of these you should really let them in, because in the end they are coming in whether you like it or not…