Delve into londons maritime history and admire top attractions from the water on this cutty sark and thames river sightseeing cruise take to the thames river by sightseeing boat and enjoy sweeping views over famous london landmarks including big ben the houses of parliament the london eye the oxo tower st pauls cathedral tower bridge the tower of london and westminster bridge then hop off your boat at greenwich pier to visit the cutty sark a famous 19th century tea clipper once th