Want to make sure you're avoiding crowds? Make a reservation for a private visit to the Grayslake Heritage Center & Museum! Use the contact info below to schedule today. Bonus: special flashlight visits also available.To contact the Heritage Center, call 847-543-1745 or email mpoe at villageofgrayslake.com. To contact the Grayslake Historical Society, call 847-223-7663 or email charenehan at aol.com. The Grayslake Heritage Center & Museum is open to the public Wed-Sat from 12-4. Private visits will be scheduled outside of normal open hours.