Could not have asked for a better vacation

First, for an early May cruise to the Baltic Capitals, we packed jackets and sweaters.  We had perfect weather for each of the six ports.  Rostock, Germany, was a sleepy but charming village.  We took a 20 minute train ride to Warnmuden, a delightful and picturesque fishing community.  Tallinn, Estonia, was the surprise; charming, ancient, quaint.  Don't miss the Seaplane Museum or the KGB Museum - both true gems.  In St. Petersburg we hired a State-authorized private tour company for the two days.  It seems that many others on the ship had several back-and-forth to the ship tours, a waste of time given the initial difficulties with their immigration system.  If you're in good physical shape, go private so you can see it all.  Helsinki, a relatively young town, was almost a disappointment after the opulence of St. Petersburg.  Stockholm has so much to offer but was the shortest port call.  If you see only one thing in Stockholm, be certain it is the Vasa Museum (but we did shake hands with the King, Queen, and President of Chile in a stroke of luck).  For Copenhagen, the final port, we used a HOHO Red Bus tour then a nice walk from the royal palace to the ship with a stop at the must-see Mermaid statue.