Waterfalls of Croatia’s Plitvice Lakes National Park in winter (© Nate Polta/Tandem Stills + Motion)

【January 15 2016】In the mountainous region of central Croatia, several small rivers and subterranean waterways converge to feed 16 lakes that form the centerpiece of Plitvice Lakes National Park. The vast underground water system cuts through the porous karst surface of the area, causing flowing water to seemingly disappear into the earth only to re-emerge elsewhere downstream. Recognized by UNESCO as a World Heritage site in 1979, the national park is one of Croatia’s premier tourist destinations.Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..