Dover, England

Located on the coast of the English Channel, Dover serves as a gateway to London. You won't want to miss the 100-million-year-old White Cliffs of Dover, or the gargantuan Dover Castle.

Tallinn, Estonia

The Estonians may well have coined the phrase "If it isn't broken, don't fix it," as such is the case with the northern coastal town of Tallinn. It has remained remarkably unchanged since its founding in 1154, enabling visitors to enjoy architectural marvels of year past, like the soaring towers of Toompea Castle and the exquisite Russian Orthodox Cathedral. The delightful exception being the pink Parliament building, visible from Palace Square.

St. Petersburg, Russia

St. Petersburg was reportedly built to resemble such western cities as London, Paris and Vienna. Although, once you see its regal palaces and many vast public squares, you'll agree there's nothing quite like this lovely city. If you're fortunate enough to find yourself in St. Petersburg in June, revel in the city's famous "white nights," when the boundless night sky is never completely dark.

Helsinki, Finland

Occupying a peninsula and several islands, Helsinki's unique location may be overshadowed by the capital city's stunning meld of old and new structures and some of the most spectacular bays you could hope to find. Strolling down broad, tree-lined streets, don't forget to take notice of the stunning neoclassically designed architecture in Senate Square.

Stockholm, Sweden

No fewer than fifty bridges connect this Swedish capital's fourteen islands to its mainland. Undoubtedly, this was to ensure that the Swedes could enjoy every single inch of this magnificent city steeped in parks, museums, and palaces - the most famous being the 600-room Royal Palace. Make your way through the Gamla Stan, or Old Town, packed with historic buildings, shops and cafés.

Riga, Latvia

You will not find the Eiffel Tower in Ríga, otherwise known as "Little Paris." What you will find are a splendid 800-year-old history, medieval architecture, and the greatest number of 20th-century Art Nouveau homes in all of Europe

Berlin (Warnemunde), Germany

Located at the mouth of the Warnow River, Warnemünde is a charming old fishing town where they say your chances of catching a fish are just as good as your chances of catching a ride to historic Berlin.

Copenhagen, Denmark

Depending on your itinerary, feel the spirit of Shakespeare's "Hamlet" surround you in England, experience the majesty of Kronberg's Castle in Copenhagen, Denmark or discover the history of Russian Jewelry in St Petersburg. Find countless attractions and points of interest as you discover the "Old World" from port to port.

Helsingborg, Sweden

Wander through the recently restored Sofiero Castle, built in 1885 by Crown Prince Oscar and his wife Sofia. The grounds are known for their gorgeous gardens. You won't want to leave without visiting The Keep, one of the most important medieval monuments of Sweden, and the symbol of Helsingborg.