London's smallest district, City of London, lies directly on the Thames and is the financial center with tall office towers and hotels in modern skyscrapers. Characteristic is the Swiss Re Tower with its futuristic twisted shape. Significantly, the Bank of England is also headquartered here. London Bridge leads directly into the neighborhood. With Saint Paul's Cathedral and the Museum of England, there are two more sightseeing highlights. Curious info: the City of London is virtually its own state!