Aerial of the historic Bridge of Saint Benezet (Pont d'Avignon) with the historic city, Avignon, UNESCO World Heritage Site, Vaucluse, Provence-Alpes-Cote d'Azur, France, Europe

View of the archaeological site of Herculaneum, UNESCO World Heritage Site, province of Naples, Campania region, Italy, Europe

Old town center of Avignon, UNESCO World Heritage Site, Vaucluse, Provence-Alpes-Cote d'Azur, France, Europe

Restoration of Notre Dame Cathedral, Paris, France

Vernazza, a coastal town in the province of La Spezia, Cinque Terre region, UNESCO World Heritage Site, Liguria, Italy, Europe

View of Torii gate, colourful shops and buildings in Asakusa, Taito City, Tokyo, Honshu, Japan

View of Kaminarimon Gate, entrance to Senso-ji Temple, Asakusa, Taito City, Tokyo, Honshu, Japan

View of Senso-ji Hozomon Gate at Senso-ji Temple, Asakusa, Taito City, Tokyo, Honshu, Japan

Kylemore Abbey, Benedictine Monastery, Connemara, County Galway, Connacht, Republic of Ireland

St. Colman's Cathedral overlooking the Waterfront at Cobh, Cork Harbour, County Cork, Munster, Republic of Ireland

View of the Grand Canyon east of the historic Watch Tower, managed by the National Park Service, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Aerial of Sewell Mining Town, UNESCO World Heritage Site, Chile, South America

View of Hashizume-mon Gate, Kanazawa Castle, Kanazawa City, Ishikawa Prefecture, Honshu, Japan

View of Hashizume-mon Gate, Kanazawa Castle, Kanazawa City, Ishikawa Prefecture, Honshu, Japan

View of Gojikken Nagaya-Kanazawa Castle reflecting in moat at dusk, Kanazawa City, Ishikawa Prefecture, Honshu, Japan

View of the skeletal ruins of the A-Bomb Dome from Hiroshima Peace Gardens at dusk, UNESCO, Hiroshima, Honshu, Japan

View of Omotegomon (Main Gate) and moat, entrance to Hiroshima Castle, Motomachi, Naka Ward, Hiroshima, Honshu, Japan

View of Omotegomon (Main Gate) and moat, entrance to Hiroshima Castle, Motomachi, Naka Ward, Hiroshima, Honshu, Japan

View towards the iconic Chapel of Madonna di Vitaleta, Val d'Orcia, UNESCO, Tuscany, Italy

The Forum Romanum (Roman Forum) and The Colosseum (Colosseo), UNESCO, Rome, Lazio, Italy

View of Nidec Kyoto Tower at night, Shimogyo Ward, Higashishiokojicho, Kyoto, Honshu, Japan

View of Kyoto Station at night, Shimogyo Ward, Higashishiokojicho, Kyoto, Honshu, Japan

View of Kiyomizu-dera Temple and trees with autumn colours, UNESCO, Kiyomizu, Higashiyama Ward, Kyoto, Honshu, Japan

View of Bamboo walkway, Sagatenryuji Tateishicho, Ukyo Ward, Kyoto, Honshu, Japan

View of Golden Temple (Kinkaku-ji) (Temple of the Golden Pavilion), UNESCO, Kyoto, Honshu, Japan

Terrasse Borj al-Hajoui, Tangier, Morocco

View of restaurants in Mitropolis Square, old Corfu Town at dusk, UNESCO World Heritage Site, Corfu, Ionian Sea, Greek Islands, Greece, Europe

View on port area of Tangier with the prominent Mosque Lalla Aabla, Tangier, Morocco

View of Christmas market at Charlottenburg Palace in Schloss Charlottenburg, Berlin, Germany

View of the Ozaki Shrine on a sunny day, Kanazawa City, Ishikawa Prefecture, Honshu, Japan

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Sassi di Matera, UNESCO World Heritage Site, Basilicata, Italy, Europe

People looking at view of Stromboli island from Gran crater rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

The view from the top of Doria Castle with breathtaking views over Vernazza and the Cinque Terre coast, UNESCO World Heritage Site, Liguria, Italy, Europe

View of Luxor Temple, UNESCO World Heritage Site, Luxor, Egypt, North Africa, Africa

The Humming Bird Geoglyph, aerial view, Nazca, UNESCO World Heritage Site, Ica Region, Peru, South America

View of Old Town, Ragusa, Val di Noto, UNESCO World Heritage Site, Sicily, Italy, Europe

View of Mount Fuji, UNESCO World Heritage Site, in the early morning after a heavy fall of snow, Fujikawaguchiko, Japan, Asia

Misty view of pillars with lone woman sitting, Doge's Palace, St. Mark's Square, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

View over the town of Angra do Heroismo, UNESCO World Heritage Site, Island of Terceira, Azores, Portugal, Atlantic, Europe

View of the old town at sunset, with Franciscan Monastery and Fort Lovrijenac, Dubrovnik, UNESCO World Heritage Site, Dubrovnik-Neretva county, Croatia, Europe

View of the Old Walled City of Dubrovnik at dusk, UNESCO World Heritage Site, Dubrovnik Riviera, Croatia, Europe

Ferry on the coast of Manarola Village, elevated view, Cinque Terre, UNESCO World Heritage Site, Liguria, Italy, Europe

Grand Canyon view just below the summit of Buggeln Hill on the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View of Victoria Falls on the Zambezi River, UNESCO World Heritage Site, straddling the border of Zambia and Zimbabwe, Africa

Elevated view of The Old Town Square and Adam Mickiewicz Monument, UNESCO World Heritage Site, Krakow, Poland, Europe

View of the ramparts of the Old City, UNESCO World Heritage Site, Essaouira, Morocco, North Africa, Africa

Aerial view of hairpin bends of road near the old ruins of Phaistos Palace and archaeological site, Crete, Greek Islands, Greece, Europe

View of the Valentino Castle (Castello del Valentino), UNESCO World Heritage Site, situated in Parco del Valentino, the seat of the Architecture Faculty of the Polytechnic University of Turin, Turin, Piedmont, Italy, Europe

View of Praia da Urca with surrounding Botafogo Bay, UNESCO World Heritage Site, between the Mountain and the Sea, inscribed on the World Heritage List in 2012, Rio de Janeiro, Brazil, South America

Aerial view taken by drone of the Langhe vineyards, during a beautiful autumn day, UNESCO World Heritage Site, Cuneo province, Piedmont, Italy, Europe

Grand Canyon view from a cliff between Hopi Point and Mohave Point, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Hagia Sophia Mosque interior, left side wall with view of a panel with an inscription from the Holy Quran, UNESCO World Heritage Site, Istanbul, Turkey, Europe

View of Icarai beach in Niteroi, overlooking Guanabara Bay and hills of the city, UNESCO World Heritage Site, Rio de Janeiro, Brazil, South America

View of Mortuary Temple of Hatshepsut, UNESCO World Heritage Site, Deir el-Bahari, Thebes, Egypt, North Africa, Africa

View of Mortuary Temple of Hatshepsut, UNESCO World Heritage Site, Deir el-Bahari, Thebes, Egypt, North Africa, Africa

Aerial view of the houses and path around Buddha Stupa, Boudhha (Boudhanath), UNESCO World Heritage Site, Kathmandu Valley, Nepal, Asia

Interior view of Hagia Sophia Mosque dome, UNESCO World Heritage Site, Istanbul, Turkey, Europe

Mt. Kebnekaise, Sweden's highest mountain, (2117m), Laponia World Heritage Site, Lappland, Sweden, Scandinavia, Europe

Panoramic view of the Sphinx and the Great Pyramid of Giza, the oldest of the Seven Wonders of the World, UNESCO World Heritage Site, Giza, Cairo, Egypt, North Africa

Upper Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, USA, North America

View of River Spree and Bode Museum, Museum Island, UNESCO World Heritage Site, Berlin Mitte district, Berlin, Germany, Europe

Elevated view of the Old Town, UNESCO World Heritage Site, Dubrovnik, Dalmatia, Dalmatian coast, Croatia, Europe

View towards the Palaestra (wrestling school), archaeological site, Olympia, UNESCO World Heritage Site, Greece, Europe

Sunset view over Florence and the Ponte Vecchio from Piazza Michelangelo, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

View of Saint Peter's Square in Vatican City, the papal enclave in Rome, from St. Peter's Basilica, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Charles Bridge and Prague Castle at sunset, UNESCO World Heritage Site, Old Town, Prague, Czech Republic (Czechia), Europe

Prague Castle, St. Nicholas Church and gardens of Petrin Hill at sunrise, UNESCO World Heritage Site, Prague, Czechia, Europe

View of Great Wall of China at Huanghua Cheng (Yellow Flower), UNESCO World Heritage Site, Xishulyu, Jiuduhe Zhen, Huairou, People's Republic of China, Asia

A view of Johns Hopkins Glacier against the Fairweather Range in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Alaska, United States of America, North America

A view of Tarr Inlet in Glacier Bay National Park and Preserve, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America

Elevated view of Cusco, UNESCO World Heritage Site, Cusco Region, Peru, South America

Elevated view of Plaza de Armas, Cusco, UNESCO World Heritage Site, Cusco Region, Peru, South America

Tourist boat on Spree River heading to Bode Museum and TV Tower, Museum Island, UNESCO World Heritage Site, Berlin, Germany, Europe

Charles Bridge, OId Town Bridge Tower and dome of St. Francis of Assisi Church by Vltava River, UNESCO World Heritage Site, Prague, Czech Republic (Czechia), Europe

View of pagoda and Senso-ji Hozomon Gate at Senso-ji Temple, Asakusa, Taito City, Tokyo, Honshu, Japan

Sassi di Matera, UNESCO World Heritage Site, Basilicata, Italy, Europe

Closeup view of the Nunnery Quadrangle, Uxmal, UNESCO World Heritage Site, Yucatan, Mexico, North America

View of Hiroshima Castle, with museum, reflecting in Moat, Motomachi, Naka Ward, Hiroshima, Honshu, Japan

View of Kiyomizu-dera Sanjunoto (Three Story Pagoda) at Kiyomizu-dera Temple, UNESCO, Kiyomizu, Higashiyama-ku, Kyoto, Honshu, Japan

View of Shoro (Bell Buildig) in Sanjusangendo Temple, Sanjusangendomawari, Higashiyama Ward, Kyoto, Honshu, Japan

View of Golden Temple (Kinkaku-ji) (Temple of the Golden Pavilion), UNESCO, Kyoto, Honshu, Japan

View of Golden Temple (Kinkaku-ji) (Temple of the Golden Pavilion), UNESCO, Kyoto, Honshu, Japan

View of buildings and restaurants on Kofineta Square at dusk, Corfu Old Town, UNESCO World Heritage Site, Corfu, The Ionian Islands, Greek Islands, Greece, Europe

View of Old Fortress of Corfu during golden hour, UNESCO World Heritage Site, Corfu Town, Corfu, Ionian Sea, Greek Islands, Greece, Europe

View of Christmas market at Charlottenburg Palace in Schloss Charlottenburg at dusk, Berlin, Germany

Kiyomizu Temple (Kiyomizu-dera) in the evening sunset and autumnal scenery with vibrant colours and skyline, UNESCO World Heritage Site, Kyoto, Honshu, Japan, Asia

A woman wearing a traditional kimono gazes at the peaceful Zen garden of Hogon-in Temple in Arashiyama, Kyoto, Honshu, Japan

Amer Fort (Amber Fort), Rajasthan, India

View by drone of Portland Bill Lighthouse, Portland Bill, Isle of Portland, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

View by drone of Portland Bill Lighthouse, Portland Bill, Isle of Portland, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

View of Conwy Castle, UNESCO World Heritage Site, and boats on the shore, Conwy, Conway County Borough, Wales, United Kingdom, Europe

View of Conwy Castle, UNESCO World Heritage Site, and boats on the shore, Conwy, Conway County Borough, Wales, United Kingdom, Europe

View towards the Island of San Giorgio Maggiore, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

View of The Bay of Kotor at sunset, UNESCO World Heritage Site, Montenegro, Europe

View across Lake Pukaki to Mount Cook (Aoraki) and neighbouring mountains, Mount Cook National Park, UNESCO World Heritage Site, Southern Alps, South Island, New Zealand, Pacific

View of Dome of the Rock, Old City, UNESCO World Heritage Site, Jerusalem, Israel, Middle East

View across the tranquil Merced River below Swinging Bridge, autumn, Yosemite Village, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

View over Ragusa Ibla, dusk, fireworks marking the Festival of San Giorgio, Ragusa, UNESCO World Heritage Site, Ragusa Province, Sicily, Italy, Europe

Elevated view of Vernazza at sunset, Cinque Terre, UNESCO World Heritage Site, Liguria, Italy, Europe