Google Earth is an application to be able to travel the world without leaving your desk chair.
License:
OS Support: WinXP, Win2003, Win2000, Win Vista

This wonderful utility will allow you to visualize from above the most important cities of the United States as if you were really there.
License:
OS Support: WinXP, Win Vista

Seterra is a product which has been developed to allow any user (without taking into account his age) to have access to a great quality styudy material, which will be very useful to know every corner of the planet.
License:
OS Support: WinXP, WinNT 3.x, Win2003, Win2000, Win Vista, Win98