Google’s new map of North Korea is generating great interest, especially the locations of the isolated state’s political prisoner camps.

With the help of "citizen cartographers," Google Maps has filled in some of North Korea's streets and prison camps. The WSJ's Evan Ramstad gives a preview of some places the world's most reclusive ...

There are some major updates to Google Maps, Street View, and Google Earth to know about – and the new and upgraded features ...