1. Vienna is known for its love of music, earning it the title "The City of Music". It's been home to several famous composers like Mozart and Beethoven.

2. The Schönbrunn Palace in Vienna has a staggering 1,441 rooms, making it one of the most significant architectural structures in Austria.

3. Vienna hosts the world's oldest zoo, Tiergarten Schönbrunn, recognized since 1752.

4. The city's Central Cemetery, Zentralfriedhof, has over 3.3 million interred bodies, more than the city's live population.

5. Vienna's public transport system clocked a record-breaking 238 million kilometers in 2019, enough to travel to the moon nearly 618 times.

1. Entertainment: Attend a live performance at the Staatsoper, Vienna State Opera, or if you're a fan of classical music, consider visiting the Vienna Philharmonic. Both offer high-quality entertainment.

2. Money-Saving: Purchase the Vienna City Card. This card offers free travel on public transportation and discounts to numerous city destinations including museums, shopping centers, cafes, and restaurants.

3. Popular Spots: Visit the historic Schönbrunn Palace, St. Stephen's Cathedral, and the scenery of Prater Park. The Belvedere Palace & Museum also houses an impressive collection of Austrian art and should be on your must-visit list.

4. Dining: Try local dishes like Wiener Schnitzel and Apfelstrudel in traditional restaurants such as Gasthaus Pöschl or Plachutta Wollzeile.

5. Best Times to Visit: The best times to visit Vienna are from April to June and from September to October when the weather is pleasant and the city isn't overly crowded. If you're planning on participating in Vienna's famous balls, most of them are held in January and February.

6. Itinerary Planning: Start your day early as most of Vienna's attractions open at 9 a.m. Allocate your time wisely as attractions like Schönbrunn Palace and Hofburg Palace can take half a day to explore fully. For a smoother experience, it's recommended to plan an itinerary ahead of your visit.