See the best of hamburg on an easy and convenient hop on hop off tour including two cruises a harbor cruise and a panoramic sightseeing cruise on lake alster set your own itinerary on this perfect do it yourself combination tour when in hamburg the hop on hop off tour allows you to see hamburgs top attractions at your own pace aboard a comfortable double decker bus while the one hour harbor cruise and one hour lake alster sightseeing cruise provide great views from the water see all the