Traveling internationally? Driving on country roads where cellular service is nonexistent? These three GPS navigation apps offer downloadable, offline maps so you can navigate without an Internet ...

To get a look at the market for offline GPS systems, we downloaded four apps that support offline maps, turned cellular data services off, and hit the road.

CNET's editors show you how download and update to the newest maps for your Garmin Nuvi GPS device.

Gaia Topo lets you download an entire state map in a matter of minutes without hogging your phone’s precious storage space ...

Navteq, a digital map and traffic data provider, plans to help drivers navigate the most difficult intersections by rendering them in 3-D.