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.

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

See what other travelers like to do, based on ratings and number of bookings. Book these experiences for a close-up look at Chicago. These rankings are informed by Tripadvisor data—we consider …

4 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 …

Looking for fun things to do in Chicago? Explore our guides and searchable listings to find attractions, museums, parks, tours, shopping and nightlife.

Chicago continues to be a place that many people from diverse backgrounds call home. Before it was a city, it was the home to numerous indigenous peoples, a legacy which continues to frame our …

Check out our first-time visitors guide to Chicago featuring essential travel tips and must-see attractions for new Chicago travelers exploring the city.

Chicago's extensive parklands, including 3,000 hectares of city parks attract an estimated 86 million visitors annually. As a multicultural city that thrives on the harmony and diversity of its …