3) House of Cristoforo Colombo, Vico dritto di ponticello: House of Columbus in which he lived from 1455 to 1470 before moving to Savona.
Genova
1) Cathedral of San Lorenzo : It preserves the Sacred Basin, the plate on which was placed the beheaded head of John the Baptist
2) Palazzo di San Giorgio, Via della Merchandise, 2: painting of Guglielmo Embriaco depicting the return from the First Crusade. The knight is holding the Sacred Basin and a cup that could be the Holy Grail.