Gustav Mahler, famous musician, worked and lived close to Klagenfurt. Back in 1899 he bought a small mansion which is now a museum offering postcards, letters written by Gustav Mahler. The museum has guides in English, French and German. Take bus no.10 or 11 to Strandbad. From there it's a 15-min walk.
The museum is the house of birth of the writer Robert Musil. If you are interested in literature, this is the place to go.
A museum for modern and contemporary art.
A museum of electric and electronic organs, pianos and synthesisers. Very interesting if you are musical, many of the instruments can be played.
Klagenfurt's theater is well known for the high quality of its theatre and opera performances.
The world's biggest and most famous body painting festival. Held on a weekend in September. About a hundred artists and models from all around the world, plus thousands of visitors. Provides great opportunities for art photography.