Two Liberty Place is the third tallest skyscraper in Philadelphia, and the 33rd tallest in the United States, stretching 58 floors to 848 ft (258m). The tower was completed in 1990. Two Liberty Place is the smaller sister building to nearby One Liberty Place. Both buildings were designed by Helmut Jahn of Murphy/Jahn Architects. Two Liberty Place has two entrances to The Shops at Liberty Place, an enclosed upscale shopping mall attached to the complex. In June 2002, the Shorenstein Company acquired the building for just over US$200 million. Though primarily an office building, the top 20 floors, or roughly 400,000 square feet, of the building have been converted to luxury condominiums known as The Residences at Two Liberty Place. [This project gives the city its highest and most expensive residences to date as well as make it Philadelphia's tallest mixed-use building. The scope of the project also includes the city's highest restaurant, to be located on the 37th floor of the building.