Croatia's oldest UNESCO-listed National Park, Plitvice Lakes, a stunning string of sixteen cascading lakes, is just an hour-and-a-half-drive from Zagreb. Plitvice are natural perfection created over several millenniums, with the lakes framed in sparkling tufa edges, and connected by impressive waterfalls. The highest is 78 meters tall! Stroll around wooden pathways, take a beautiful boat ride on Lake Kozjak, and simply enjoy this unspoiled corner of the Earth. With 18 kilometers of marked trails, Plitvice Lakes tour can be adapted for all fitness levels.