This sublime concert hall, designed by Lluís Domènech i Montaner and built between 1905 and 1908, is not quite as wacky as some of Gaudí's architecture, but it's still equally impressive.

Antoni Gaudí's ambitious project remains, as of today, unfinished, which by no means takes away its massive popularity, receiving over 4.5 million visitors every year. The Basílica de la Sagrada Família, or simply La Sagrada Família, is a large unfinished Roman Catholic minor basilica, considered the best example of Modernist architecture. Meticulously crafted to embody the Christian faith through composition, sculpture, and individualistic, offbeat design, this masterpiece is the kind of attraction that has to be experienced to be believed.

A secluded cove in the northern coast of Marjan Forest Park, Bene Beach doesn't resemble the sandy Croatian beaches but boasts its one-of-a-kind charm. A long excursion through the forest will lead you to its pebbly seafront, where you can rest your feet in the clear water surrounded by untouched nature. A restaurant is also located a few steps away.

With its Baroque façades and the Holy Trinity column, Europe’s largest urban square is the ideal starting point for a city stroll along Landstraße. Next to Vienna’s Mariahilfer Straße, this is the most frequented shopping street in Austria.