Low angle view of palace on hill under cloudy sky, Rock Of Cashel, Republic of Ireland

High angle view of cliffs along river, Funchal, Madeira Island, Portugal

High angle view of bridge across river, Teutoburger Forest, Porta Westfalica, Germany

High angle view of bridge over dried river, Nyons, Drome, France, Europe

High angle view of river flowing through landscape, Moselle River, Rhineland-Palatinate, Germany

High angle view of snow on mountain, Germany, Europe

Castle under cloudy sky, Huelchrath Castle, Grevenbroich, Lower Rhine, Germany

High angle view of coastline, Reculver Towers, Herne Bay, Kent, England

Aerial view of river flowing through landscape, China

Ancient building against cloudy sky, Kerkira, Ionian Islands, Greece

Aerial view of arch bridge across river, Baden-Wurttemberg, Germany

Town at coast under clear blue sky, Funchal, Madeira Island, Portugal

High angle view of a river under cloudy sky, Canada