The “Chicago’s Greatest Hits” series focuses on the city’s most popular attractions. These are some of Chicago’s most identifiable traits and the things you really have to check out in-person whenever you’re in town.

Navy Pier today is one of the state’s most popular attractions, but this is only its most recent incarnation. This iconic infrastructure has had three other very different lives since it’s birth in 1916, and remnants of them all are hiding in plain sight. This tour is filled with interesting history, beautiful architecture, and incredible views of Chicago’s skyline.

There’s no registration cost, but tips are appreciated. All you have to do is register in advance here, and then watch the live-streamed tour from any web browser.