Piazza Navona Rome, Italy

Beloved by locals and tourists alike, the lovely Piazza Navona stands on the site of the Stadium of Diocletian and retains its oval outline. It was given its present form in the Baroque era by Bernini, Borromini and others, and has changed little since.

Facade of Sant'Agnese in Agone with the obelisk of Bernini's Fountain of the Four Rivers, Piazza Navona, Rome. Image credit: Holly Hayes