Raglan Castle, Monmouthshire, Wales, United Kingdom, Europe

Saint-Benezet bridge dating from the 12th century, and the Palais des Papes, UNESCO World Heritage Site, across the Rhone river, Avignon, Vaucluse, France, Europe

Ogmore Castle, Bridgend, Wales, U.K.

Eilean Donan Castle at twilight, Dornie, Scotland, United Kingdom, Europe

Ruins of old castle in Cesis, Latvia, Europe

Remains of an ancient clapper bridge at Dartmeet, Dartmoor National Park, Devon, England, United Kingdom, Europe

Pont du Guard, remains of Roman aqueduct dating from 1AD, UNESCO World Heritage Site, Vers-Pont-du-Guard, Provence, France, Europe

Portico of Octavia dating from 27 BC, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Janowiec Castle, Lublin Voivodeship, Poland, Europe

Bridge of Visconti Family dating from 1393, Valeggio sul Mincio, River Mincio, Verona province, Veneto, Italy, Europe

Bridge of Visconti Family dating from 1393, Valeggio sul Mincio, River Mincio, Verona province, Veneto, Italy, Europe

The weir and remains of a medieval bridge on the River Loue, with the houses and church of the village of Lods in Franche-Comte, France, Europe

Roman Viaduct, Tunisia

Downtown Manhattan skyline and the remains of an old pier at the base of the Brooklyn Bridge Park in New York, New York State, United States of America, North America

The remains of Northside Bridge in Workington which was swept away in the floods killing PC Bill Barker who was trying to stop traffic from going onto the bridge when it collapsed, Cumbria, England, United Kingdom, Europe

The remains of Northside Bridge in Workington which was swept away in the floods killing PC Bill Barker who was trying to stop traffic from going onto the bridge when it collapsed, Cumbria, England, United Kingdom, Europe

The remains of Northside Bridge in Workington which was swept away in the floods killing PC Bill Barker who was trying to stop traffic from going onto the bridge when it collapsed, Cumbria, England, United Kingdom, Europe

The remains of Northside Bridge in Workington which was swept away in the floods killing PC Bill Barker who was trying to stop traffic from going onto the bridge when it collapsed, Cumbria, England, United Kingdom, Europe

Woman, women, biking, Bridge and South Gate of Angkor Thom, Angkor, Siem Reap, Cambodia

Detail, statues of Asuras on bridge of South Gate, in Angkor Thom, Siem Reap, Cambodia

Detail, statues of Asuras on bridge of South Gate, in Angkor Thom, Siem Reap, Cambodia

Bridge of Nations Bell, Okinawa, Japan

A Winding Road That Makes It's Way Up And And Around The Golan Heights, With Remains Of A Train Track Bridge Built Over The Yarmouk River In The Distance, Golan Heights, Israel