Google announced its one billion download milestone on its on Wednesday. This milestone includes the desktop client, mobile apps, and plug-in. To celebrate, Google has launched a Website called , which highlights how people have used the earth mapping software through the years.

One describes how the HALO Trust taps Google Earth to help clear landmines across 12 countries. Another describes how a professor in Johannesburg used Google Earth to map previously-unidentified cave sites and fossil deposits, leading to the discovery of well-preserved hominid skeletons.

Google Earth has also uncovered crop circles, bizarre celebrity tributes and other . In 2007, the software also revealed a new in China.

[RELATED: | ]

Google and its mapping software in 2004, leading to the launch of Google Earth in 2005. Since then, the software has made its way into Google Maps, and has expanded to include the , Mars, the sky, and the ocean floor.