There are many tours that can be taken in london such as the london bus tours, on these you can sit back and relax and take in the sights of London from the bus.
You can go and see Buckingham palace aswell, this is one of the world's few remaning working royal palaces.
If you are feeling adventurous and brave then you can go on a haunted London walk, these are perfect if you want to be taken back in time and learn about London's horrible history.
Check out timetables for the Docklands Railway
For information about getting around London, underground stations, bus timetables and other essential travel around the London area view the London Transport Information website.