MUMOK in Vienna is a renowned modern-art museum, boasting an impressive collection of 20th-century artworks. It includes pieces from Fluxus, nouveau realism, pop art, and photorealism, numbering up to 9000 in total. Expressionism, cubism, minimal art, and Viennese Actionism are all featured in the museum's rotating, thematic exhibitions. The striking basalt building stands out from the traditional MuseumsQuartier architecture.