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Online programs and virtual tours continue while CAC tours are currently suspended and the Center is closed, in accordance with COVID-19 guidelines from the State of Illinois.

Where else but Chicago can you find two iconic mid-century buildings living side by side? Get the inside scoop on the buildings and their architects, Bertrand Goldberg and Mies van der Rohe. We will compare and contrast the sites, uses, structures, styles, philosophies and more.

1.25 Hours
35 W. Wacker Dr.

Delight in the sinuous lines of the four building complexes called Marina City then revel in the crisp, clean architecture of the IBM Building.

Discover how all buildings have evolved and adapted through the years to remain relevant and functional.

Finally, we visit the Langham Hotel to see how the hotel respects the Miesian format while adding luxury touches. Tour capacity is limited, advanced reservations are recommended.

  • Advance reservations are required for this tour.
  • Tour meets under the overhang between the entrances to Catch 35 and the office lobby.
  • Ticket price includes entrance to the Chicago Architecture Center within 7 days of your tour. View the CAC's hours.
  • Access to building interiors featured on this tour may be subject to change, due to weekend and holiday schedules or unforeseen closures.

Upcoming Modernist Masterpieces: Marina City and the IBM Building Tours

Scheduled departures for this tour will return next season. To be notified when tickets for our next tour season go on sale, email