When visiting Westminster, you can explore the city in a number of ways by visiting the historic sites or choosing to go on a bus or river tour around Westminster. ‘Buckingham Palace, Houses of Parliament, banqueting house, and the Queens Gallery’ are some of the attractions to be explored by the public as they are visiting the city of Westminster. Visitors can use the City Cruises river tour on the Thames or the original London sightseeing tour by bus.