Views of old town from the Alcazaba and Castle of Gibralfaro on Mount Malaga above the old town, Malaga, Costa del Sol, Andalusia, Spain, Europe

Views of old town from the Alcazaba and Castle of Gibralfaro on Mount Malaga above the old town, Malaga, Costa del Sol, Andalusia, Spain, Europe

Dubrovnik from the City Walls, UNESCO World Heritage Site, Dubrovnik, Croatia, Europe

Dubrovnik Cathedral and Old Town, UNESCO World Heritage Site, from Mount Srd, Dubrovnik, Croatia, Europe

Dubrovnik Old Town Port, UNESCO World Heritage Site, from Mount Srd, Dubrovnik, Croatia, Europe

View of Kavala Fortress and boats in the port, Kavala, Dimos Kavalas, Eastern Macedonia and Thrace, Gulf of Thasos, Gulf of Kavala, Greece, Europe

View across tiled rooftops to distant Palau, the Palazzo dell'Ammiragliato (Admiralty), prominent in foreground, La Maddalena, La Maddalena Island, La Maddalena Archipelago National Park, Sassari, Sardinia, Italy, Mediterranean, Europe

Elevated view of Cusco (Cuzco) Cathedral and Church of the Society of Jesus, UNESCO, Cusco (Cuzco), Cusco Province, Cusco Region, Peru, South America

View over the sunlit rooftops of Ragusa Ibla, evening, dome of the Cathedral of San Giorgio prominent, Ragusa, UNESCO World Heritage Site, Sicily, Italy, Europe

View over the sunlit rooftops of Ragusa Ibla, evening, houses clinging to steep hillside, Ragusa, UNESCO World Heritage Site, Sicily, Italy, Europe

Village of Latsch after a snowfall, Bergun, Albula Valley, District of Prattigau/Davos, Canton of Graubunden, Switzerland, Europe

Village of Latsch after a snowfall, Bergun, Albula Valley, District of Prattigau/Davos, Canton of Graubunden, Switzerland, Europe

View over the sunlit rooftops of Ragusa Ibla, evening, dome of the Cathedral of San Giorgio prominent, Ragusa, UNESCO World Heritage Site, Sicily, Italy, Europe

Sunlit church at mountain village, Rocca Calascio, Gran Sasso National Park, Abruzzi, Italy, Europe

Sunlit roofs and sailing boats at Golfe de St.Tropez, St. Tropez, Cote d¥Azur, Provence, France, Europe

Sunlit church at mountain village, Rocca Calascio, Gran Sasso National Park, Abruzzi, Italy, Europe

Three large metal grain storage bins in the middle of a flowering canola field with a blown-out sunny sky; East of Calgary, Alberta, Canada

View of a Venetian canal and Giudecca island at sunset from the bell tower of the church of San Giorgio Maggiore, Venice, Italy

View of the City of Venice with the Campanile di San Marco (St Mark's Campanile) and St Mark's Basilica (Basilica di San Marco) standing out among the red clay rooftops, Venice, Veneto, Italy

Close-up view of the pyramidal spire of St Mark's Campanile behind the decorative rooftop edging of Doge's Palace in the Piazza San Marco in Venice against a blue sky, Venice, Veneto, Italy

View looking up at the ornate stone work of the old buildings in the historic, Old Town of Trapani, Trapani, Sicily, Italy

View of a canal and lagoon at sunset from the bell tower of the church of San Giorgio Maggiore, Venice, Italy

Close-up of a golden dome of a mosque on the banks of the Nile River, Egypt, North Africa, Africa