Domino Sugar replacing its massive neon sign in Baltimore: ‘I can’t even imagine the city without it’ Updated Feb 04, 2021; Posted Feb 03, 2021 Facebook Share The “Domino Sugars” sign, a Baltimore fixture that has cast its red neon glow across the Inner Harbor since 1951, will be retired March 1. At sunset that day, the refinery’s rooftop will darken, but only for four months. Crew will remove and replace the 120-by-70-foot sign, one of the last, most visible vestiges of Baltimore’s once-mighty industrial past. If the $2 million project goes as planned, an LED-powered sign wil...