The Houses of Parliament has over 2 miles of passages!

The clock mechanism that is in operation on Big Ben weighs an astonishing 5 tonnes and the bell weighs 13.5 tonnes!

London’s first ever traffic signals were installed in Parliament Square.

The list of famous people either buried or commemorated in Westminster Abbey includes Sir Winston Churchill, Oliver Cromwell, Martin Luther King, Isaac Newton and William Shakespeare.

Westminster Bridge has been used to film scenes for some of the most well known British films and TV series over the years, including 28 Days Later, Monty Python and Dr Who.