The sights of Chicago.
The Trump International Hotel & Tower sits along the Chicago River in Chicago's business district. (August 2008)
The Frank Gehry-designed Pritzker Pavilion at Millennium Park in Chicago. (July 17, 2006)
Visitors to Chicago's Millennium Park cool off by the Crown Fountain. (June 13, 2012)
Chicago's Millennium Park includes the sculpture "Cloud Gate," also known as "The Bean." (June 13, 2012)
"Cloud Gate" -- aka "The Bean" -- by British artist Anish Kapoor in Chicago's Millennium Park weighs 110 tons. (Jan. 17, 2007)
An attendee checks out Pablo Picasso's "The Red Armchair" during a media preview for "Picasso and Chicago," a major exhibition showcasing the works of Picasso at the Art Institute of Chicago. (Feb. 14, 2013)
The Chicago downtown skyline provides a backdrop for the Skyline Stage and Ferris Wheel at the Navy Pier. (June 13, 2012)
Attractions at Chicago's nearly century-old Navy Pier include a Ferris Wheel and Wave Swinger. (June 13, 2012)
The 25-foot statue titled "God Bless America" by J. Steward Johnson, inspired by Grant Wood's painting "American Gothic," stands near the Chicago River on Chicago's Magnificent Mile. (Jan. 7, 2010)
Shoppers are seen along the sidewalk on Chicago's Michigan Avenue, also known as the Magnificent Mile. (Dec. 18, 2009)
Pedestrians walk along Chicago's Magnificent Mile and its tony shops in Chicago's Gold Coast neighborhood.
Aldermen Tunney voted Wednesday to support the work for the home of the Cubs, pictured, one day after it got crucial approval from a City Council zoning committee and the alderman whose ward includes the ballpark.
The Chicago skyline. (Aug. 11, 2012)
A group of children are seen admiring the flamingos at Chicago's Lincoln Park Zoo. Visitors flock to the 49-acre zoo a few miles north of downtown Chicago where the admission is free and it's open year round. (June 13, 2012)
Visitors check out a giraffe at Chicago's Lincoln Park Zoo. (June 13, 2012)
Edgar Blackmon performs on Mainstage at Second City Comedy Club in Chicago. (April 12, 2012)
Tourists stand in a glass observation deck extending from the 103rd floor of the Willis Tower, formerly the Sears Tower, in Chicago. (September 2009)
The glass-covered Trump International Hotel & Tower rises up behind the Wrigley Building in the Chicago's The Loop neighborhood. (Aug. 18, 2008)