Hearst Tower

Height: 182m (597ft)
Floor count: 46
Location: New York, United States
Architect: Foster and partners
Interesting info: Hearst Tower is the first green building completed in New York City and the first skyscraper to break ground in New York City after 9/11. The building was constructed using 80% recycled steel. Overall, the building has been designed to use 25% less energy than the minimum requirements for the city of New York.

Hong Kong Symphony Of Light [Video]

Hong Kong Skyline

Beetham Tower (Hilton Tower)

Height: 168m (554ft)
Floor count: 48
Location: Manchester, England
Architect: Ian Simpson
Constructed: 2004-2006
Interesting info: In certain wind conditions the steel 'blade' on the roof "whistles", residents liken the noise to a "ufo landing". The noise also affected the production of local soap opera, Coronation Street with producers having to delay outdoor filming and create extra background.

One Liberty Place

Height: 288m (945ft)
Floor count: 61
Location: Philadelphia
Architect: Murphy/Jahn Architects
Constructed: 1987
Interesting info: One Liberty Place is the first building in Philadelphia to break the gentlemen's agreement not to exceed the height of the William Penn statue on Philadelphia City Hall.