For a new perspective on the river and the city, celebrate the opening of the McCORMICK TRIBUNE BRIDGEHOUSE AND CHICAGO RIVER MUSEUM. Inside the 1920 bridgehouse you'll learn the story of how the river shaped the city, not to mention lots about local bridges. June 10 and June 11, 10:00 a.m. to 5:30 p.m. Suggested admission, $3, free for children 5 and under. 376 N. Michigan Ave., 312-977-0221, www.chicagoriver.org