Chicago, also known as the Windy City is located in the northeast part of the state of Illinois. The population of the city exceeds 3 million people. Chicago is home to so called the Magnificent Mile that offers lots of stores and restaurants, beauty and spa salons. Chicago has been known as the city of the tallest skyscrapers in the country. Thus the tallest building of the United States the Sears Tower is located in Chicago. By the way you may travel to the top of the Tower. Enjoy the magnificent view of the city.