In London, take a ride on a double-decker sightseeing bus, do a pub crawl, visit the Tower of London, the open air markets, Buckingham Palace, explore Hyde Park, have fun!
National Gallery is free. Behind it, find cheap tickets for musicals. See Buckingham Palace's changing of the guard. Visit Harrods. Take Tower of London tour. Experience Portobello Road's flee market.
Do not miss the Victoria and Alburt museum or the Tate Modern. A trip on the London eye or a double decker bus tour are a great way to see the city as well. London is a great city have fun!
Plenty to do and see in London, from the Tower with its Crown Jewels to Madame Tussauds Wax Museum to the palace and abbey at Westminster. Of course, the zoo!