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 on Wednesdays for our roundups.
National Geographic believes that to know the world is to change it. We're on the front lines of travel that illuminates, celebrates, and preserves irreplaceable places -- and we're taking you along for the ride.