The Northborough Historical Museum will be open on Sundays from 2 to 4 p.m. through the months of May and June, and again on Sundays in September and October. A new exhibit this year is “Marching Through Time,” honoring Northborough's service to the country from colonial times to present. Other exhibits include industry, medicine, music, and Native American artifacts and local sports with a tribute to Mark Fidrych. The Northborough Historical Society is located at 50 Main St. Admission is free.