The National Museum of the Great Lakes (NMGL) invites visitors to trick or treat aboard two of Toledo’s most haunted historic vessels–the Col. James M. Schoonmaker Museum Ship and the Museum Tug Ohio. Boo on the Boat is set for Friday, October 28, and Saturday, October 29, from 10 a.m. to 4 p.m., and Sunday, October 30, from noon to 4 p.m. “Boo on the Boat has become a National ...