A courtyard fresco in the Roman ruins of Pompeii, UNESCO, Campania, Italy

The Parthenon, ancient temple dedicated to the goddess Athena, UNESCO, Athens, Greece

The Parthenon, ancient temple dedicated to the goddess Athena, UNESCO, Athens, Greece

The Parthenon, ancient temple dedicated to the goddess Athena, UNESCO, Athens, Greece

The Parthenon, ancient temple dedicated to the goddess Athena, UNESCO, Athens, Greece

Erechtheion (Temple of Athena Polias), The Acropolis, UNESCO, Athens, Greece

The Parthenon, ancient temple dedicated to the goddess Athena, UNESCO, Athens, Greece

Temple of Asclepius in the ancient city of Epidaurus, UNESCO, Peloponnese, Greece

Wall murals in the archaeological ruins of Pompeii, UNESCO, Campania, Italy

Centaur statue in Pompeii, UNESCO World Heritage Site, archaeological site of ancient city destroyed by Mount Vesuvius volcanic eruption, near Naples,Campania, Italy, Europe

Wall murals in the archaeological ruins of Pompeii, UNESCO, Campania, Italy

Detail of the Erechtheion (Temple of Athena Polias), an ancient Greek Ionic temple on the north side of the Acropolis, UNESCO World Heritage Site, Athens, Greece, Europe

Palace gardens in the Reggia di Caserta (Royal Palace of Caserta), UNESCO World Heritage Site, Campania, Italy, Europe

Statue, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

The Greek temples of Paestum, UNESCO World Heritage Site, Campania, Italy, Europe

Giuseppe De Nittis Art Gallery, Palazzo Della Marra, Barletta, Barletta-Andria-Trani, Apulia, Italy

Statue in the Palace of the Giants, Ancient Agora of Athens, Athens, Greece

Morro Castle at sunset, with a statue of Poseidon with trident in the foreground, Havana, Cuba