A Sunny Day in Chicago image, Buckingham Fountain, Grant Park, South Lake Shore Drive, Central Chicago, Illinois, on a sunny summer day (174.2)

Aerial city view stock photo, Wide angle view of Chicago at day time. (216.3)

business team with sign and Chicago skyline illustration image (187.0)

Canal in Chicago photo, Canal in Chicago tinted in green for St. Patrick's Day celebration (216.3)

Chicago photo, The way we looked at Chicago in 1949. (248.21)

Chicago at night, IL, USA, 2007 picture (191.1)

Chicago by day photo, View of Chicago downtown by day, Illinois (216.3)

chicago cityscape and sears tower image (203.16)

Chicago Sign photo, Chicago sign on the Chicago theatre (240.20)

Chicago skyline, The skyline of downtown Chicago. (210.26)

Chicago Skyline 2 image, Chicago Skyline from Lake Michigan (240.20)

Chicago Skyline from Lake Michigan stock image, Downtown Chicago Skyline from Lake Michigan (231.19)

Chicago skyline panoramic, Chicago panoramic at twilight (large file) (186.19)

City skyline closeup with dramatic clouds picture (185.10)

Corporate Headquarters image, High rent business district of downtown Chicago. (174.2)

Downtown 4 picture, Downtown (187.14)

downtown Chicago skyline from Southern suburbs il (228.13)

downtown street on a hot day (201.31)

Erie building stock photo, Erie building at night in Chicago (174.2)

Many small metal arches photo, Many small metal arches and lines - Design and modern architecture - Chicago. (198.3)

Marina city parking levels detail stock image, Marina city parking levels detail Chicago Illinois (240.4)

Modern building photo, Modern office building in Chicago (510.10)

Old building stock photo, Old building in the heart of downtown, Chicago, Illinois (174.2)

Outside Peggy Notebaert Nature Museum stock image, Located at 2430 N. Cannon Dr. in Chicago, Illinois. This is the view outside from the back of the museum. (174.2)

Pink flower image, Pink flower isolated on white (198.3)

Scraping The Blue Sky photo, Corporate towers in downtown Chicago (216.3)

skyscrapers, Modern buildings downtown Chicago (192.22)

skyscrapers, Modern buildings downtown Chicago (252.27)

three modern buildings in downtown (180.9)

Urban Wall stock photo, Old weathered urban wall with arrow (492.10)

usa 3 stock photo (179.7)

usa fahne schatten photo (223.6)

Vintage post marks stock image, A series of vintage American post marks (1224.27)