Thames sightseeing cruisesr r one of the best way to see loads of londonandrsquos biggest sights sit back and relax on a thames sightseeing river cruise and let the landmarks come to your r enjoy the famous sights of london from the ancient river thames with this choice of sightseeing cruisesr r landmarks the thames runs past include the london eye the houses of parliament big ben the tower of london tower bridge and plenty morer r thames lunch cruiser r make lunch more memorable by c