Widely known as the most haunted city in the United States, New Orleans is full of spooky spots guaranteed to send a chill down your spine. And if you're feeling brave, why not explore the legends and history of this city embedded in mystical arts by joining the Premier Haunted Ghost, Voodoo, Vampire, and Mystery Tour? With a knowledgeable local guide, stop by the city's most eerie sites at night, such as the LaLaurie Mansion and New Orleans Pharmacy Museum, while listening to your guide's detailed stories of the paranormal and beyond.

The embankment walls of the Danube Canal form a single, giant canvas. The area is open to graffiti artists who have turned the concrete walls into their very own art gallery in Vienna. From generic scribbles to political messages and intricate artworks: stroll along the banks and explore this tangible example of Viennese cultural life. For the most interesting works, walk down the track between Schwedenplatz and Schottenring.

The new campus of the Vienna University of Economics and Business Administration is an impressive architectural achievement which has soon turned into a landmark of the area nearby the Prater. Conceived and designed by internationally acclaimed architects, this futuristic and yet sustainable complex of innovative buildings is a must-see for architecture lovers. Guided tours are also available.

Ciudad Vieja is a walkable Old Town constituting most of the old A Coruña which dates back to the mid-19th century. In this area you can find the city’s flamboyant and unmistakable landmark, ayuntamiento.