Luxury cruise line Silversea Cruises has some interesting shore excursions scheduled for its northern European itineraries this summer. Silversea has 19 diverse itineraries of 6 to 15 days that include northern European ports of call, so there should be one to suit anyone's tastes. The shore excursions range from a day at the cosmonaut training center in Moscow to a hands-on cooking class to a special tour of Buckingham Palace. Many of the northern European itineraries also feature well-qualified lecturers.
Silversea Shore Excursions in Northern Europe

Silversea Silver Cloud in Oslo, Norway (c) Linda Garrison