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.

Explore iconic attractions, hidden gems, and travel guides. Plan the perfect Chicago trip!

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.

3 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 …

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Feb 3, 2026 · Not sure what to do in Chicago? Check out these essential attractions, amazing nightlife and cultural institutions and more.

Planning to visit Chicago? We have everything you need, from upcoming events to delicious food and things to do in Chicago.

Traveling to Chicago? Learn about the city’s top attractions and activities, including dining, nightlife, iconic landmarks, arts and special events.

Top Things to Do in Chicago Grab a slice of deep dish pizza, snap a selfie with the Bean at Millennium Park, and take in the city by boat on Lake Michigan or the Chicago River.