Plitvice Lakes is the largest, oldest, most visited, and most popular Croatian national park. It was declared a national park in 1949 and is spread over 29 thousand acres land. Additionally, the park has been under the protection of UNESCO since 1979. The park’s landscape is composed of dense forests, which are dominated by beech trees. The park also contains numerous waterfalls and 16 lakes of varying sizes, all with crystal-clear water.