The curious structure above blanketed with transparent, undulating glass isn't someone's concept of a futuristic high-tech habitat on another planet. It's actually Google's latest design for the dome it plans to build on the 18.6 acres of land it's leasing from the government right across its headquarters. The four-story 595,000 sq. ft. edifice is called Charleston East, because the company wants to build it right next to Charleston Park. According to the application Google has recently submitted to Mountain View's local government, it will house not only offices, but also a 72,000 sq. ft. of space for retail shops and amenities, as well as underground parking.