With a bit of preparation, these destinations are sure to offer intrepid travelers the experience of a lifetime. http://on.natgeo.com/2j2xU6W

With a bit of preparation, these destinations are sure to offer intrepid travelers the experience of a lifetime. http://on.natgeo.com/2j2xU6W 

https://twitter.com/NatGeoTravel/status/931628098289840128