Chicago Architecture Center Board of Trade, the Marquette Building, the Monadnock Building, and Daniel Burnham and John Wellborn Root's Rookery among many others. Some modern buildings that are explored include the Sears Tower, John Hancock Center, Mies van der Rohe's Chicago Federal Center and the Trump Tower. The CAC also offers tours of parks and public spaces such as Millennium Park, Maggie Daley Park and the Chicago Pedway. During the summer months, the CAC offers tours of various neighborhoods throughout Chicago in addition to downtown tours. The CAC's most popular tour, the CAFC River Cruise aboard Chicago's First Lady Cruises has departures April–November
Randolph Tower Randolph Tower Randolph Tower, formerly known as the Steuben Club Building, is a historic Gothic Revival skyscraper in Downtown Chicago. The building was constructed in 1929 and designed by architect Karl M. Vitzthum, who designed another Chicago landmark, the historic One North LaSalle Building. Randolph Tower was built for the Steuben Club of Chicago to promote German-American heritage. After the first World War, American citizens of German descent sought to found clubs to serve as a testimonial of their loyalty to the ideals of American citizenship. The first 25 floors were built for retail and offices and the club was