These guys will sell you tickets. Ticket Master These guys will sell you tickets too. There are devilish queues to get in, especially if there is something interesting on. Globe Theatre Faithful reproduction of Shakespeare's original open air theatre on the banks of the Thames River in central London. Greenwich The Royal Observatory, National Maratime Museum, Markets and Cutty Sark sailing ship make a full day trip.
Royal Residences Does what is says on the pack.
Saint Paul's Cathederal Second in the world only to Saint Peter's in the Vatican City. Originally built in 604. No other landmark embodies as much of London as the Tower. Get there early - overcrowding can cause disappointment. London Dungeons Thumb screws, collars with the spikes on the inside, the rack etc.