Game of Thrones may have put Croatia on the map, but Dubrovnik deserves notoriety on its own merits. Sitting on the southern coast in front of the glistening Adriatic Sea, the “Pearl of the Adriatic” earned its nickname on its own right as UNESCO World Heritage Site is best known for its enchanting 16th century old town, distinguished by the limestone stone walls surrounding it. Here's what to do when you only have a day!