Sears Tower or Willis Tower, Skyscrapers, Tallest Buildings, and American Icons

Sears Tower is the name of famous buildings, skyscraper in Chicago, Illinois. and officially changed its name to Willis Tower on July 16, 2009, this building was built around 1972, and completed around 1973, built with glass, steel, aluminum, and reinforced concrete that consists of 108 floors each floor has an area of ??418 064 m². There are interesting from Willis Tower, is to Skydeck, which is an observation deck located on the floor 103, which allows tourists to see widespread town Illinois, who now, become one of the most famous tourist attractions in Chicago, the Sears Tower has been one of the most popular skyscrapers, tallest buildings, and also became American icons.

Sears Tower Skyscrapers at Night
Tallest Buildings of Sears Tower in Chicago
Willis Tower Attractions in Chicago
Willis Tower Skydeck Attraction in Chicago