The medieval Notre Dame Cathedral on the Ile de la Cite in early evening light and River Seine, Paris, France, Europe

The Cistercian monastery of Fountains Abbey lit at dusk and reflected in the River Skell, UNESCO World Heritage Site, North Yorkshire, Yorkshire, England, United Kingdom, Europe

Looking across the River Mersey to the Liverpool skyline and Liver buildings at dusk, Liverpool, Merseyside, England, United Kingdom, Europe

Pembroke Castle and town walls on a summers evening, Pembroke, Wales, United Kingdom, Europe

Sun setting behind the city of Florence with the Ponte Vecchio and Ponte Santa Trinita bridges over the Arno River, Florence, Tuscany, Italy, Europe

Early morning mist settles on the River Dee with boats and buildings reflected in the still water, Chester, Cheshire, England, United Kingdom, Europe

A panorama of the Ponte Vecchio bridge spanning the Arno River in Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

Looking along the Arno River to the Renaissance Ponte Santa Trinita bridge on a misty ethereal morning, Florence, Tuscany, Italy, Europe

River Garry and the Pass of Killiecrankie, autumn in the Scottish Highlands, Scotland, United Kingdom, Europe

The medieval Pembroke Castle dominates the landscape high above the town and river, Pembroke, Wales, United Kingdom, Europe

Thornton Force in full flow as the River Twiss cascades down rocks and trees, North Yorkshire, Yorkshire, England, United Kingdom, Europe

Panorama of the Florence skyline at dusk with the Palazzo Vecchio, Duomo and Campanile extending above the horizon, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

Royal chateau of Amboise lit at dusk on the banks of River Loire, Loire Valley, UNESCO World Heritage Site, Indre et Loire, Pays de la Loire, Centre, France, Europe

The medieval castle Dinas Bran perched above the cloud inversion lying in the River Dee valley on a clear autumn morning, Denbighshire, Wales, United Kingdom, Europe

The Ponte Vecchio on the Arno River on a misty morning with the Palazzo Vecchio shrouded in mist, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

Winter dawn along the River Weaver with mist lingering among the trees and fields, Cheshire, England, United Kingdom, Europe

Looking down onto the inner canyon and Colorado River from Mohave Point as it flows through the Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

River Garry flowing beneath Garry Bridge along the Pass of Killiecrankie in autumn, Perthshire, Scotland, United Kingdom, Europe

The Couesnon River leading to the island of Mont Saint-Michel, UNESCO World Heritage Site, Normandy, France, Europe

North west facade of Chateau de Chambord in the Loire Valley reflected in the River Cosson, UNESCO World Heritage Site, Loir et Cher, Pays de la Loire, Centre, France, Europe

Autumn colour reflected in the River Garry, Perthshire, Scottish Highlands, Scotland, United Kingdom, Europe

Groups of Parisians and tourists line the banks of the River Seine with Notre Dame lit against the dusk sky on the Ile de la Cite, Paris, France, Europe

Half Dome from the Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Looking across the Ponte Vecchio to the Oltrarno region of Florence lit in early evening light, Florence, Tuscany, Italy, Europe

Panorama overlooking Horseshoe Falls with mist lying above the River Dee on an autumn morning, Denbighshire, Wales, United Kingdom, Europe

Autumn mist rolls through the River Tummel valley near Pitlochry in the Scottish Highlands, Scotland, United Kingdom, Europe

Yosemite Falls and Merced River in spring, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

Looking over the length of New York City from the One World Observatory with the Hudson River to the West and Long Island City to the north east, New York City, United States of America, North America