Plitvice Lakes is one of the most unique places to visit in Croatia. With easy walking trails, boardwalks suspended over the turquoise water, stunning viewpoints, and photogenic waterfalls, this is the type of place that is perfect for visitors of all ages. Plitvice Lakes National Parks contains 16 interconnecting lakes that vary in color from emerald green to turquoise to deep blue, depending on mineral content and lighting conditions. Throw in those waterfalls and you really have something special. In 1979, Plitvice Lakes became a UNESCO World Heritage Site. This is one of the most popular tourist attractions in Croatia, receiving over 1 million visitors per year.