Great free alternative to Google Earth. Now we just need a free alternative to Google.
includes nice wallpaper, overall very good, but driving directions are lousy.
An excellent learning tool! It shows much about the geography of our world, its cities and many of the roadways. I run it on LinuxMint 15 and Windows 7. Its not a replacement for GoogleEarth (satellite imagery), but does a great job in a scholastic manner.
Exploring the world without internet, good for showing location of cities, learning about countries and capitals