In Vienna, explore the city's historic city center as well as beautiful Schönbrunn Palace and in the Wachau Valley and Rhine Gorge, take in the view of hilltop castles and quaint villages that look like they're straight out of a fairy tale book. (johnnyjet.com)
Because of its baroque and rococo historic city center, including the Semperoper, the Frauenkirche, and the Brühl's Terrace, Dresden is known as the Jewel Box. (chemistryviews.org)
This 15 - day cruise from Stockholm to Bergen (or the reverse) journeys into the heart of Scandinavia and the Baltic to discover Stockholm, Helsinki, St. Petersburg, Berlin, Copenhagen, Bergen and charming historic city centers in Tallinn and Gdańsk. (vikingcruises.com)