Chicago, on Lake Michigan in Illinois, is among the largest cities in the U.S. Famed for its bold architecture, it has a skyline bristling with skyscrapers such as the iconic John Hancock Centre, sleek, 1,451-ft. Willis Tower and neo-Gothic Tribune Tower. The city is also renowned for its museums, including the Art Institute and its expansive collections, including noted Impressionist works. The population is around 1.7 million the 3rd most populous city in USA. Chicago can claim the first ‘skyscraper’ in the Chicago Building of 1904/5. In 1014, Chicago attracted 50.17 million domestic leisure travellers, 11.09 million domestic business travellers and 1.308 million overseas visitors. Chicago has weather that is very cold in winter and hot in summer, with a strong chance of snow from November through to March. Built at the edge of lake with a river running through it, Chicago really exploits its waterside neighbourhoods to create popular visitor areas.