Visit Dubrovnik

Visit Zagreb, the capital of Croatia. Explore the historic Upper Town (Gornji Grad) with St. Mark's Church (colorful tiled roof depicting medieval coats of arms) and the Lotrščak Tower (19th-century cannon fired daily at noon). Stroll through the Dolac Market (one of the largest open-air markets in Europe, known for fresh produce and local crafts) and see the Museum of Broken Relationships (unique collection of personal objects and stories about failed relationships).

Visit Split, Croatia's second-largest city, built around the Roman Emperor Diocletian's Palace (a UNESCO World Heritage site with ancient cellars and a peristyle). Walk along the Riva waterfront promenade, climb Marjan Hill for panoramic views of the Adriatic Sea, and explore the Cathedral of Saint Domnius (originally Diocletian's mausoleum, one of the oldest Catholic cathedrals in the world).

Visit Sarajevo, capital of Bosnia and Herzegovina. Walk through Baščaršija (the old bazaar with Ottoman-era shops and the Sebilj fountain), see the Latin Bridge (where Archduke Franz Ferdinand was assassinated, sparking World War I), explore the Gazi Husrev-beg Mosque (a 16th-century Ottoman landmark with intricate architecture), and try local dishes like ćevapi (grilled minced meat) and burek (savory pastry).

Visit Belgrade, the capital of Serbia. Explore the Belgrade Fortress (historic citadel at the confluence of the Sava and Danube rivers with panoramic views), stroll through Skadarlija (bohemian quarter with cobblestone streets and traditional kafanas), see the Church of Saint Sava (one of the largest Orthodox churches in the world with a massive dome), and enjoy the nightlife along the splavovi (floating river clubs on the Sava).

Visit Pristina, the capital of Kosovo. See the Newborn Monument (a large yellow sculpture unveiled on Kosovo's independence day in 2008), explore the National Museum of Kosovo (housing archaeological artifacts from the region's Illyrian and Roman periods), and visit the Imperial Mosque (a 15th-century Ottoman mosque with historic frescoes).

Visit Podgorica, the capital of Montenegro. Explore the Millennium Bridge (a modern cable-stayed bridge over the Morača River), see the historic Clock Tower in the Old Town, and relax in King's Park (a green space with monuments and city views).

Sail Adriatic islands, walled cities, and waterfall parks of Croatia

Visit Bucharest, the capital of Romania. Explore the Palace of the Parliament (one of the world's largest and heaviest administrative buildings), stroll through the Old Town (historic center with 19th-century architecture and lively cafes), and see the Village Museum (open-air museum showcasing traditional Romanian village life with over 300 buildings).