LINZ, AUSTRIA - GREIN, AUSTRIA. For those who love The Sound of Music, enjoy a full-day excursion to Salzburg and tour the historic center, Mirabell Gardens, Residenz Square and the Old Market. En route to Salzburg, stop at Mondsee, home of the Basilica St. Michael, where the famous wedding scene in the movie was filmed. You may also choose to join a full-day excursion to the charming Czech mountain town of Český Krumlov, where you can stroll its cobblestone streets; marvel at the city’s picturesque Baroque and Renaissance-style buildings; and tour Krumlov Castle, one of Europe’s largest castle complexes. Following these full-day excursions, you may also choose to take a brief walking tour in Linz. Alternatively, join a walking tour through the old city center of Linz and by the Mozart House; or bike along the city’s famed “Cultural Mile” and the Danube. Later in the day, visit Greinburg Castle, the oldest residential castle in Austria. (B,L,D)