[{SlideShowNav}] !!!Karlsplatz station, Vienna [{Image src='710au.jpg' width='650' height='433' popup='false' alt='Karlsplatz station, Vienna' class='image_left'}] [{SET customtitle='Karlsplatz station, Vienna'}] \\ Close up of the former city rail entrance at the Karlsplatz subway station in Vienna. The pavillion is a well-known example of Jugendstil (Art Nouveau) architecture.