Piazza Tre Martiri was once the site of Julius Caesar's speeches. There are several columned porticoes. several columned porticoes, all that remains of the Roman forum. Opposite is the Palazzo Brioli, first owned by the Carampi family, then by the Baldinini. Baldinini. In the middle of the XVIII century it housed a scientific observatory.
The Palazzo Brioli complex includes the Clock Tower, built in 1562. В 1750 1750, D. Carini decorated the tower with the "Eternal Astrological Calendar". A little later the tower was rebuilt and took on a modern appearance.
