The Hilton Chicago (also known as Chicago Hilton and Towers) is a centrally-located luxury hotel in Chicago, Illinois, United States. The hotel is a Chicago landmark that overlooks Grant Park, Lake Michigan, and the Museum Campus. It is the third-largest hotel in Chicago by number of guest rooms; however, it has the largest total meeting and event space of any Chicago hotel. From its opening in 1927 through 2008, every sitting president of the United States had been housed in the hotel before leaving office.