Big Ben, the iconic clock tower, is located in London, England. Officially known as the Elizabeth Tower, it is part of the Palace of Westminster and has become one of London's most recognizable symbols. The tower was completed in 1859 and houses the Great Bell, which is popularly referred to as Big Ben. Visitors are often captivated by its intricate Gothic revival architecture and the breathtaking views of the nearby Thames River. While the nickname "Big Ben" originally referred to the bell itself, over the years it has come to signify the entire clock tower, attracting millions of tourists annually.