London is famous for it's history. There are many places related to royal family. The first one Buckingham Palace. Buckingham Palace is the residence of the royal family. It was build in 1703 year, but became the official residence of crown in 1837. Now Queen Elizabeth II lives there.
Westminster Abbey is known as the place of coronation, marriage and burial of kings and queens of England. William the Conquerer was the first king to be crowned there in 1066 and since every ruler was crowned too.