According to Pliny the Elder ("Naturalis historia", XXXVI, XIX, 91-93), the Labyrinth was part of a monument including the sepulchre of the King Porsenna.
Druge znamenitosti so še:Romanska katedrala (Duomo) San Secondiano, zgrajena okoli leta 560 našega štetja nad že obstoječo bazilike in obnovljena v 13. stoletju.