- What to Expect - Visit Kunst Haus Wien, one of Vienna’s top art spots with an eco-friendly touch. Founded by artist Friedensreich Hundertwasser in 1991, it holds the world’s largest collection of his art, along with temporary exhibitions from international artists.Hundertwasser, one of Austria's most famous artists, is known for his colorful, unique style focused on nature, ecology, and unusual architecture.The museum showcases his paintings, photos, prints, and more. It’s a must-see for art lovers in Vienna.There are also new exhibitions throughout the year, many focusing on nature and the environment, themes Hundertwasser cared deeply about.