The Official Chicago Architecture Foundation River Cruise!! Learn about the architecture and design of over 50 buildings as described by CAF-Certified Volunteer Docents/Guides. Dont settle for imitations, look for the CAF logo.90 minute river architecture cruises depart daily for the 2012 season beginning Saturday, April 28 and ending on Sunday, November 18, 2012.All tours depart from Riverside Gardens, Michigan Ave. and Wacker Dr. (Southeast corner of the Michigan Avenue Bridge). Look for our blue awning!