BELGRADE, SERBIA. Explore Serbia’s capital, Belgrade, on a city tour, which includes the Nikola Tesla Museum, encompassing the world-renowned inventor’s life and inventions, as well as the Kalemegdan Fortress and the Serbian Orthodox Temple of St. Sava. For those wishing for a more active adventure, join a guided bike tour or hike to Belgrade Fortress. In the afternoon, you can enjoy a taste of the region by sampling wine and snacks at Kalemegdanska Terasa, where old traditions and excellent wine thrive in the heart of Belgrade. Or explore Novi Sad, a city rich in tradition and culture, on an afternoon walking tour. Begin your tour at the Dunavski (Danube) Park; stroll through Stari Grad, the old town center; and explore Liberty Square, which is dominated by the Old Town Hall. (B,L,D)