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Residents are invited to join the Forgotten Chicago crew (forgottenchicago.com) for an in-depth 2.5-hour walking tour of Evanston’s lesser known built environment. Along with the usual overlooked oddities found on every Forgotten Chicago tour, participants will learn how Evanston’s downtown remains one of the most dynamic in the region, despite (or perhaps because of) an unbuilt scheme in the early 1960s to turn part of it into a pedestrian mall.

The tour guides will also talk about other architectural oddities, long-forgotten landmarks, and curiosities in the built environment during the tour.

The two-and-one-half-hour tour starts at 10 a.m. on June 9 at the Davis Street CTA station on Benson Avenue, with a planned post-tour stop at That Little Mexican Cafe, 1010 Church St., for refreshments and conversation. The cost is $20; registration, due by June 2, is at event@designevanston.org.