Chicago is the seat of Cook County, the second-most populous county in the U.S. Chicago was incorporated as a city in 1837 near a portage between the Great Lakes and the Mississippi River …

Welcome to the official City of Chicago Website. The source for information about City services, departments, programs and initiatives, and officials for Chicago residents, businesses, and visitors.

Jul 28, 2025 · Must-visit attractions in Chicago include the Navy Pier, Wrigley Field, Second City, Skydeck Chicago, and of course, "The Bean." Find more fun things to do in Chicago.

Apr 29, 2026 · Not sure what to do in Chicago? Check out these essential attractions, amazing nightlife and cultural institutions and more.

Chicago is celebrating its 9th year as the Best Big City in the U.S.! Explore iconic attractions, hidden gems, and travel guides. Plan the perfect Chicago trip!

Things to Do in Chicago, Illinois: See Tripadvisor's 1,162,914 traveler reviews and photos of Chicago tourist attractions. Find what to do today, this weekend, or in June.

2 days ago · Chicago is a city, the seat of Cook county, in northeastern Illinois, U.S. With a population of nearly three million, Chicago is the state’s largest and the country’s third most populous city. It is the …

Mar 19, 2026 · Where is Chicago Located? Chicago, city, seat of Cook county, northeastern Illinois. Chicago is the largest city of Illinois and third largest city of the United States after New York City and …

Chicago news, politics, sports, entertainment and more from America’s hardest-working paper.

May 21, 2026 · Chicago is known for its amazing food, especially the unusual pizzas they have there, as well as iconic buildings that reflect this city’s tumultuous past. And if you’re looking for entertainment, …