This Big Bus Tour on open-top, double decker bus gives you unlimited use of four routes for either 1, 2 or 3 days, taking you to London’s most impressive sights and key attractions. There are 3 tickets types available: Classic Ticket Hop-on, hop-off for 1 day (24 hours from time of redemption) Single river cruise (between Westminster and Tower of London – either direction) Premium Ticket Hop-on, hop-off for 2 days (48 hours from time of redemption) Return river cruise (between Westminster and Greenwich, via Tower of London) Premium Plus Ticket Hop-on, hop-off for 3 days (72 hours from time of redemption) Return river cruise (between Westminster and Greenwich, via Tower of London) Discover London via a specially-designed route: Best of Central London (Red Route) Experience informative and engaging recorded commentary, available in 5 different languages. The Red route takes in the best of historic London including Big Ben, the London Eye and St Paul’s Cathedral. Duration: 2 hours.  Big Bus Route Highlights:  Buckingham Palace and the Changing of the Guard Houses of Parliament Big Ben Westminster Abbey 10 Downing Street Whitehall Piccadilly Circus Oxford Street Regent Street London Eye London Dungeon Sea Life London Aquarium Madame Tussauds Covent Garden Bank of England Monument St Pauls Cathedral Tower of London Tower Bridge The Shard City Hall Lambeth Palace British Museum. Marble Arch Mayfair Green Park Hyde Park Corner Harrods South Kensington Museums Kensington Palace Notting Hill River Cruise A Classic ticket includes a single river cruise from Westminster to the Tower of London (in either direction) whilst the Premium and Premium Plus tickets include a return river cruise between Westminster and Greenwich with the option to break the journey at the Tower of London.  The river cruise includes live commentary in 8 languages. You'll see top London attractions lining the Thames including Tower Bridge, HMS Belfast, Shakespeare's Globe and the Tate Modern. Departure times for the river cruise are approximately every 40 minutes.