BELGRADE, SERBIA. Explore Serbia’s capital, Belgrade, on a city tour, which includes the Kalemegdan Fortress and the Serbian Orthodox Temple of St. Sava. Alternatively, visit the Royal Palace, the official residence of the Serbian Royal Family, and the House of Flowers, the mausoleum of Marshal Tito, who became the first President of Yugoslavia. Or enjoy a taste of the region by sampling Serbian plum brandy, Šlivovitz, and delicious local delights at the Quburich Distillery, followed by a panoramic tour of Avala Mountain. Later in the day, choose from a hike to Kalemegdan Fortress, known for its winding walking paths and incredible river views, or join a guided bike tour. (B,L,D)