National Museum of the American Sailor (formerly Great Lakes Naval Museum), 2531 Sheridan Rd, Great Lakes (At Naval Station Great Lakes, Building 42, by Main Gates. No base access/ pass needed), 42.312117°, -87.84347°, +1 847-688-3154, nmas.fct@navy.mil. M-Sa 9AM-5PM, closed Federal holidays. Located at the Navy's only boot camp, this Museum tells the story of enlisted Sailors. Free 2021-11-23