Belvedere 21 Museum of Contemporary Art, located in Vienna, Austria, is a striking example of modernist architecture designed by Karl Schwanzer. Opened in 1962, it originally served as the Austrian Pavilion for the World Expo in Brussels. Today, it is a vibrant hub for contemporary art, hosting dynamic exhibitions that showcase both Austrian and international artists. The museum is known for its focus on post-war art and features a diverse array of mediums, including paintings, sculptures, and multimedia installations. Belvedere 21 also offers educational programs, lectures, and workshops, making it an essential cultural destination in Vienna.