Darien - 7511 Lemont Road - Opened 1993, closed 1994 - First Discovery Zone location in Illinois. Closed after a year due to a nearby Leaps & Bounds in Westmont converted to a DZ. Became a clinic afterward, now a Ross.
Glendale Heights - 177 E. Army Trail Road - Closed 1996
Naperville/Aurora - Near Fox Valley Mall. No other info available on this location.
Westmont - 6230 S Cass Avenue - Former grocery store. Converted from a Leaps & Bounds location in 1994. Closed in 1998. Revived as a nickel arcade from 2002-2005, location demolished December 2018.
Vernon Hills - Unknown info on location
Villa Park - 154 W. Roosevelt Road, closed 1996. Subdivided.