Arguably one of the world’s most popular tourist destinations, and since it features so frequently in film and literature Rome has, perhaps unfairly, been called a cliché. In any case, the locale needs little introduction, even to those who’ve never visited the ancient city. But it didn’t reach the top of the tourist charts without good reason, and it’s understandable that people are drawn to the historical fortress city like bees to honey.

Aside from being a true tourist magn...