The link between Spittelberg, the street art home of the city, and MuseumsQuartier. Designed by French artist Invader, it also features temporary exhibits and publications Museumsplatz 1, 1070 http://betonblumen.org/

One of the most moving sites in Vienna, it takes time to get here but if you have the time it is well worth a visit. The cemetery is populated by the unknown people who drowned in the Danube. (Cemetery of the Nameless) Alberner Hafenzufahrtsstraße, 1110 http://www.friedhof-der-namenlosen.at/

The Oceanum is a cave spa filled with salt from the dead sea. Visit to relax in the ambient surroundings and recuperate from all the walking. Untere Viaduktgasse 6, 1030 Mon-Sat, 11:00-20:00 http://www.salzgrotte.at

A rare permanent venue for sound artists, visitors can listen to changing sound installations in this MuseumsQuartier passage. Museumsplatz 1, 1070 http://www.tonspur.at/

Take a lift to one of the tallest structures in the city for great views. There is also a restaurant at the top with 360 degree views and in the summer you can bungee off the top. Donauturmstrasse 4, 1220 Observation deck 10:00-24:00 Restaurant: 11:00-15:00, 18:00-24:00 Café: 10:00-24:00 http://www.donauturm.at

The Imperial Crypt is a burial chamber beneath the Capuchin Church. On display are the bodies of emperors and empresses of the House of Habsburg. Spooky but fascinating. Tegetthoffstraße 2 1010 10:00-18:00 http://www.kaisergruft.at

This retro bowling alley is hidden amongst the Vienna Woods and is full of oddities, art and photography. Lovingly run and with quirky touches, it is an experience like no other in the city. Höbersbachstraße 59, 3003 €20 per hour Daily, 9:30–22:00 by appointment only http://kegelbahn.blogspot.com

For one hour at dusk Olafur Eliasson's Yellow fog creeps over the facade of the Verbund collection asking viewers to consider the impact of architecture on our lives. Am Hof 6A 1010 Daily, at dusk http://www.sammlung.verbund.at