Roman military camp ruins and the Judaean desert, seen from the Masada fortress, UNESCO World Heritage Site, Israel, Middle East

Old Sarum castle, Salisbury, Wiltshire, England, United Kingdom, Europe

Historic castle, medieval village of Marvao, Portalegre district, Alto Alentejo, Portugal, Europe

The Roman Villa del Casale (Villa Romana del Casale), UNESCO World Heritage Site, Piazza Armerina, Enna, Sicily, 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

Retired military band, South Theatre, Jerash (Gerasa), a Roman Decapolis city, Jordan, Middle East

Retired military band, South Theatre, Jerash (Gerasa), a Roman Decapolis city, Jordan, Middle East

The Tomb of the Unknown Soldier, Altare della Patria, Rome, Lazio, Italy, Europe

England, Hampshire, Portsmouth, Historic Naval Dockyard Gilded statue of King George III dressed as Roman Emperor.

England, Hampshire, Portsmouth, Portchester Castle showing the Norman 12th Century Tower and 14th Century Keep within the Roman 3rd Century Saxon Shore Fort.

England, Hampshire, Portsmouth, Portchester Castle showing the 12th Century Tower and 14th Century Keep built within the Roman 3rd Century Saxon Shore Fort.

Swiss guards, Italy, Rome, Vatican City

Swiss guards, Italy, Rome, Vatican City