Plitvice Lakes National Park is a UNESCO World Heritage site known for its stunning cascade of 16 terraced lakes, interconnected by waterfalls and set in deep woodland populated with deer, bears, wolves, boars, and rare bird species. The park spans 296.85 square kilometers and is one of Croatia's most visited attractions. The lakes are renowned for their distinctive colors, ranging from azure to green, gray, or blue, depending on the minerals and organisms in the water and the angle of sunlight. The park offers a variety of walking trails and wooden walkways that allow visitors to explore the lakes and waterfalls up close.