Casa dell'Atrio Corinzio (ouse of the Corinthian Atrium), archaeological site of Herculaneum, UNESCO World Heritage Site, province of Naples, Campania region, Italy, Europe

Stepping stones above perpetually flowing water needed to cross streets and keep the way clear for carts, archaeological site of Pompeii, UNESCO World Heritage Site, province of Naples, Campania, Italy, Europe

Roman town of Herculaneum, UNESCO World Heritage Site, Campania, Italy, Europe

Stepping stones above perpetually flowing water needed to cross streets and keep the way clear for carts, archaeological site of Pompeii, UNESCO World Heritage Site, province of Naples, Campania, Italy, Europe

House of the Faun, archaeological site of Pompeii, UNESCO World Heritage Site, province of Naples, Campania, Italy, Europe

Stepping stones above perpetually flowing water needed to cross street and keep the way clear for carts, archaeological site of Pompeii, UNESCO World Heritage Site, province of Naples, Campania, Italy, Europe

The Roman amphitheatre of El Jem, a UNESCO World Heritage site, is an oval amphitheatre in the modern-day city of El Jem, Tunisia (formerly Thysdrus in the Roman province of Africa)

Roman Catholic Archdiocese of Papeete, Tahiti, Society Islands, French Polynesia, Pacific