The Austrian city of Vienna (VIE) is not only known for its coffee shop culture, but also for its many attractions. The city, a former imperial residence, offers numerous museums and art galleries, some with new exhibitions year-round. If you like attending the opera or theatre, you've come to the right place in Vienna (VIE) as the city has a long history of performances. The best way for tourists to explore Vienna (VIE) is with the red hop on, hop off bus. It stops at all the key sights and also provides important information about the city's buildings and monuments.