From the northern lights of Banff to the celestial sky views over frozen waterfalls of Iceland—these destinations will deliver unforgettable nightly sights http://on.natgeo.com/2iAEKUY

From the northern lights of Banff to the celestial sky views over frozen waterfalls of Iceland—these destinations will deliver unforgettable nightly sights http://on.natgeo.com/2iAEKUY 

https://twitter.com/NatGeoTravel/status/936731687500898306