After breakfast, our ship will dock at the port of Vienna at 12:30. Guests who wish may join the optional Vienna city tour arranged by our guide. We begin exploring Austria’s capital with a 20-minute stop at Hundertwasserhaus (100 Water House). We then walk around Belvedere Palace before returning to the city centre and continuing our tour of Vienna, whose remarkable architecture delights at every turn, taking in the Ringstrasse, State Opera House, Parliament Building, Burgtheater and Votive Church. In the old town, we will take a short break in St. Stephen’s Square, home to St. Stephen’s Cathedral. We will then see Graben and Kohlmarkt, Michaelerplatz, Hofburg Palace, Albertinaplatz, where the Spanish Riding School is located, the Opera House and the historic Hotel Sacher. After the tour and lunch on board, guests who wish may join an optional tour of Schönbrunn Palace and Gardens. You will explore Schönbrunn Palace and its gardens, one of Europe’s most beautiful palaces, the summer residence of the Habsburg dynasty and closely associated with Empress Elisabeth, known as Sissi. Return to the ship after the tour. After dinner, guests who wish may join the optional Vienna Christmas Markets by Night tour arranged by our guide. Overnight on board.