Back by popular demand and just in time for the holidays, Chicago Greeter will offer free, one-hour walks of N. Michigan Avenue and surrounding areas led by knowledgeable locals – Magnificent Mile InstaGreeter – beginning November 4. The walk-up service is available through December 31 on Fridays and Saturdays between 10 a.m. and 4 p.m., leaving from the Water Works Visitor Information Center, 163 E. Pearson St. Volunteer greeters will provide information and insights on the Streeterville and Gold Coast neighborhoods; landmarks such as the John Hancock Center and the former Playboy Mansion, historic hotels and cathedrals; and best bets for holiday shopping. Chicago Greeter is a program of the Chicago Office of Tourism and Culture (COTC). Celebrating 10 years in 2012, Chicago Greeter is recognized internationally for its innovation and consistently ranked as one of the most popular programs of its kind in the world. For more information, visit www.ChicagoGreeter.org.