Located on the Adriatic coast, the Krka National Park is named for the river that passes through it and that feeds its most famous sight, the Skradinski buk, a huge clear pool with waterfalls above and below it. There are 17 waterfalls in all, fringed in lush plants and attracting a variety of birds, both common and rare. Another must-see in the park is the island of Visovac in the center of the river. The island was first settled by Franciscan monks who built a monastery there in 1445. The current monastery dates to the 18th century and is still used; monks will give you a tour that includes a visit to a small museum.