You'll also visit Highclere Castle, the real-life Downton Abbey. Previous tourgoers say this tour is a must for any "Downton Abbey" fan, with some calling it the highlight of their London vacation.

Organized Stonehenge tours from London typically include round-trip ... this 11-hour bus tour stops at Windsor Castle and the historic city of Bath, where you'll be given the choice to explore ...

Surrounded by a council estate, Kingswood Arts (formerly known as Bovril Castle) is an unusual site to behold in south London. Today you can still tour part of this historic house, which is now used ...

That's why William built a castle there to defend London. Harry: Did Castles ever get attacked? Queen Elizabeth I: Yes, they did and sometimes they were destroyed, but never The Tower of London.