The Googleplex is the Google Headquarters, located in Mountain View, near San Jose. The office space and the corporate campus were built in 2004, and they are located in a 26-acre site that contains a public park as well. There you can see Google buildings and his employees. You can see the central workplace of the most important search engine.
Unless you know a Google employee, you can visit the building only from the outside; however you can see how Google works, its green campus and its high-tech buildings.