Big Ben is the huge bell inside the clock tower at the Houses of Parliament in Westminster, London. The name is also used to submit to the tower itself. The clock tower is situated at the north end of the Palace of Westminster in Central London and was constructed in 1859. The tower is well-known as Big Ben because that was the nickname of the largest bell in the clock tower which was initially called the Great Bell. The tower is 96 meters high and there are almost 400 steps to the top. It is not open to the common public or foreign travelers. Westminster Bridge is an exceptional spot to take pictures of as well as Parliament Square.