Four Rivers Fountain
Italy
Fontana dei Quattro Fiumi (Fountain of the Four Rivers) is a fountain in the Piazza Navona in Rome, Italy. It was designed in 1651 by Gian Lorenzo Bernini for Pope Innocent X whose family palace, the Palazzo Pamphili, faced onto the piazza as did the church of Sant'Agnese in Agone of which Innocent was the sponsor.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).