With incredible old sites and unobstructed skies, these sites are a dream for those who love to stargaze http://on.natgeo.com/2r7wkbb

With incredible old sites and unobstructed skies, these sites are a dream for those who love to stargaze http://on.natgeo.com/2r7wkbb 

https://twitter.com/NatGeoTravel/status/952646606905659393