Free
Google Earth Pro
Explore and discover the planet
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Travel around the world for free
Investigate the world of earthquakes in 3D
A free app for Windows, by Data Arc.
Find out everything there is to know about gems and minerals
A Free (GPL) Science & education program for Windows
Make the most of your trip to London
A free program for windows
Prepare your own GPS maps
Excellent world map with tons of information
Visualize Earth in a real-time 3D perspective