6) Dresden

     Before it was severely damaged from World War II bombings, Dresden was known as the Jewel Box because of its lavish collection of stunning art and architecture. After many years, the city has restored much of its former glory. The capital of the federal state of Saxony, Dresden offers a number of historic sites like the stunning Frauenkirche cathedral. The city also boasts many cultural institutions of which the Semper Opera is most widely esteemed.