John Hancock Building building, and in 2011 conferred on it the Twenty-five Year Award. It has been the tallest building in Boston for more than 30 years and is the tallest building in New England. In 2002, Manulife Financial began construction of a 14-story building in the Seaport District at 601 Congress Street (Picture). The building was designed by Skidmore, Owings and Merrill LLP of Chicago, designers of the John Hancock Center in Chicago and the Sears Tower, also in Chicago. The building features a "green" (energy-efficient) dual glass curtain wall construction, making it among the first buildings in Boston to win national
Center City Tower (Philadelphia) with Comcast Corporation, Philadelphia's most high-profile corporation, in mind. Such a rumor would have been killed on January 5, 2005, the day Comcast Center was officially launched. Center City Tower (Philadelphia) Center City Tower was the working name of a formerly proposed skyscraper in downtown Philadelphia. Designed and proposed by the firm now known as KlingStubbins (designers of Philadelphia's Penn Center and Bell Atlantic Tower), the building would have risen to a height of 1,050 feet (320 m) and 75 stories, making it the tallest building in The United States outside New York and Chicago, surpassing the height of the