Your ticket will entitle you to unlimited travel on the operator s hop on hop off thames cruises for3 days you may embark and disembark from four piers along the thames cruising between them as many times as you wish the cruises encompass londons best loved sights and the majestic houses of parliament the elegant dome of st pauls cathedral and perhaps londons most precious antique the tower of london are just a few of the historic sights to be discovered