The Radar: World?s Best Waterfalls, New Types of Tours, Second Chance Slovenia

The Radar: The top travel news, stories, trends, and ideas from across the web. Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the Web #ngtradar. Check back on the blog for our roundups. Photograph by Jignesh Shirke, My Shot.

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