Google Earth lets you explore the world virtually in 3D via satellite images and interactive maps. Use it to find your house or famous landmarks.

Google Earth is a free, downloadable PC application that taps a multiterabyte database of aerial and satellite images to let users “fly” around the globe using a video-game type user interface ...

Astronaut photography was developed in collaboration with the Crew Earth Observations team, part of the Image Science and Analysis Laboratory at NASA’s Johnson Space Center, Houston.

Last year, Google also added the ability to view historical satellite and aerial photos directly in Google Earth—material that was previously only available in the Earth Pro desktop app.