Plitvice Lakes are beautiful at any time of the year. After all, it's the most popular site in Croatia visited by a million people annually. You can see 16 wonderful cascading lakes framed by beautiful forest, coloured with lush green in summer, golden—in autumn. Unlike no other season, autumn defines the natural beauty of this place. Also, it's much less crowded with tourists, and you can indeed feel a peaceful and serene atmosphere of Plitvice.