You can reach the Castle by bus, tram or underground. The main buses are 18, 50, 37, 58, 61 and 94; tram: numbers 1, 2, 4, 12, 14, and 19. The stop is located in front of the main entrance. Taking the underground is best: red line 1, Cairoli stop. Before entering, find a good spot to listen to the stories.