November 7, 2012

Plitvice Lakes National Park, Croatia

Photograph by Hans Madej, laif/Redux

Visitors to Croatia's first—and largest—national park trod a wooden boardwalk snaking through grassy areas, over waterways, and past plunging waterfalls. The park's 16 terraced lakes, formed by natural travertine dams, change colors throughout the day, from bright turquoise to gray, depending on the angle of the sun's rays and the mineral makeup of the water.

Best Trips 2011: Plitvice Lakes, Croatia >>

Photos: European Parks—Rivers, Lakes, and Shores >>

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