The Plitvice Lakes National Park tour offered by Gray Line Croatia is a great way to explore the natural beauty of Croatia. The tour includes an exploration of the UNESCO World Heritage Site by boat with a guide, a lunch break. The Plitvice Lakes National Park is one of Croatia's most beautiful, impressive places — renowned for its natural beauty. Expect beautiful, crystal-clear water flowing over various waterfalls, cascades, and lakes. This tour is a highlight of any trip to Croatia.