Palazzo dei Diamanti
21 Corso Ercole d'Este, 44100 Ferrara
+39 0532 205844
open Tue, Wed, Fri-Sun, 09:00-14:00, Thurs, 09:00-19:00
Il Castello Estense
largo Castello
open Tues-Sun, 09:30-17:30, closed Mon
Don't miss the delightfully medieval dungeons.