Chicago is home to a number of boat tours, but this one is the best. Chelsea used it to convince Vanessa of the Windy City's many merits.
Fun fact: Chelsea's maternal grandfather worked here for many years overseeing the security team, back when it was known as the Chicago Historical Society. They offer neighborhood walking tours and a great history of the city.
A classic! Fun fact: Wedding guest Sheila works there. Ask her for recommendations about what to see!