Skyscrapers in a city, Sears Tower, Chicago, Illinois, Sears Tower and downtown from above with clear crisp skies. Buildings in a city, view of Hancock Building and Sears Tower, Lincoln Park, Lake Michigan, Chicago, Cook County, Illinois Skyscrapers in a city, View towards the Sears Tower, Chicago, Cook County, Illinois High angle view of a city at dusk, Lake Michigan, Chicago, Cook County, Illinois, High angle view of a city, Sears Tower, Chicago Loop, Chicago, Cook County, Illinois Skyscrapers at the waterfront, Lake Michigan, Chicago, Illinois Reflection of buildings in a lagoon, Lincoln Park Lagoon, Lincoln Park, Chicago, Cook County, Illinois, Reflection of buildings in a lagoon, Lincoln Park Lagoon, Lincoln Park, Chicago, Cook County, Illinois, Aerial view of a city, Lake Michigan, Chicago, Cook County, Illinois Chicago IL Skyline Chicago IL Low angle view of buildings, Sears Tower, Chicago, Illinois Chicago IL Sears Tower, Chicago, Illinois, United States of America Chicago IL Illinois, Chicago, clouds Sundown Skyline Chicago IL Buildings at the waterfront lit up at dusk, Sears Tower, Hancock Building, Lake Michigan, Chicago, Cook County, Illinois Buildings at the waterfront, Lake Michigan, Chicago, Cook County, Illinois Pier on a lake, Navy Pier, Lake Michigan, Chicago, Cook County, Illinois, USA 2011 Skyscrapers in a city, Chicago, Illinois Sunset Chicago IL Skyscrapers lit up at night, Chicago, Cook County, Illinois, Page 1