For million of years water has carved its way through the rocks creating deep lakes and waterfalls plitvice is the most known amongst the national parks in croatia and it is also in the unesco register of world natural heritage since 1979 the park has 16 lakes divided in upper and lower lakes in an incredibly beautiful blue green color you can enjoy the long walk through the park and forest and get on electric boats the exceptional beauty of the lakes and waterfalls rich plant animal life