Known over as a center for music, art and great cuisine, Vienna is one of the most popular travel destinations in Europe. With nearly 200 palaces, castles and churches, the capital of Austria has an abundance of architectural sights to explore and enjoy as well. From the Vienna State Opera House to the centuries-old coffee houses, there’s always something new to discover in this beautiful city on the Danube River. With its modern transportation system and comfortable accommodations, the gateway to central Europe serves as a great base for explorations farther afield too. Here are several day trips from Vienna that are definitely worth taking.