A prominent structure that's withstood the passage of time, you can't miss Torre della Meloria. It's a popular attraction for history fans and regular sightseers alike.
You'll have no end of sightseeing choices when in Livorno. Torre della Meloria is an ideal place to kick off here, but there are many other worthy places to enjoy. Fortezza Nuova, Cathedral of Livorno, and Cimitero degli Inglesi are close to the historic construction and and will cap off your day nicely.