Rainbows appeared over crowds gathered outside of Buckingham Palace and above the flags being lowered to half-staff at Windsor Castle following Queen Elizabeth II's death on Thursday, photos show.

Home to more than 40 British monarchs and in use since the 11th century, Windsor Castle is a spectacular daytrip from London. Visitors can wander the elaborate state rooms, observe the famous ...

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.