The Basilica di San Nicola is the most popular landmark in Bari, Puglia. This atmospheric Romanesque basilica dominates the Piazza San Nicola, with its square features and pearly white walls. On this guided tour, you'll explore the 12th-century basilica and its crypt with a learned host, who'll detail the history and architectural secrets of the site. You can also see the final resting place of jolly old St. Nick, whose remains are housed in a special altar surrounded by ornate columns.