Gravina, Bari, Alta Murgia, Apulia, Italy

Park of the Aqueducts, Rome, Lazio, Italy, Europe

Park of the Aqueducts, Rome, Lazio, Italy, Europe

View of Ladybower Reservoir with Bamford Edge visible in the distance, Peak District National Park, Derbyshire, England, United Kingdom, Europe

View of Ladybower Reservoir and dry stone wall, with Bamford Edge visible in the distance, Peak District National Park, Derbyshire, England, United Kingdom, Europe

Parco degli Acquedotti, Appian Way Regional Park, Remains of Roman aqueduct Claudio (Aqua Claudia), Rome, Lazio, Italy, Europe

Ribblehead Viaduct in the Yorkshire Dales National Park, North Yorkshire, England, United Kingdom, Europe

Parco degli Acquedotti, Appian Way Park, remains of Roman aqueduct Claudio (Aqua Claudia), Rome, Lazio, Italy, Europe

Parco degli Acquedotti, Appian Way Regional Park, Remains of Roman aqueduct Felice, Rome, Lazio, Italy, Europe

Roman Aqueduct With Arches At Sunset In Caesarea Maritima National Park, Israel

Roman Aqueduct With Arches At Sunset In Caesarea Maritima National Park, Israel