The Comcast Center in Philadelphia is a 58-floor, 975-foot tall skyscraper that was completed in 2008 at a cost of $540 million. It features a massive 2,000 square foot HD video wall made of many connected TVs and has over 1.2 million square feet of extra space containing restaurants and amenities. The document provides details on the Comcast Center building, its giant video wall, extra space and amenities, and credits sources of information.