Portland Bill Lighthouse at sunset, Portland, Jurassic Coast UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Edinburgh Castle, historic fortress, UNESCO World Heritage Site, Castle Rock, Castlehill, Edinburgh Old Town, Midlothian, Scotland, United Kingdom, Europe

Edinburgh Castle, historic fortress, Castle Rock, Castlehill, Edinburgh Old Town, UNESCO World Heritage Site, Midlothian, Scotland, United Kingdom, Europe

Stonehenge, UNESCO World Heritage Site, Salisbury Plain, Wiltshire, England, United Kingdom, Europe

Pantheon, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

The Statue of Empress Kunigunda on the Lower Bridge, Bamberg, UNESCO World Heritage Site, Upper Franconia, Bavaria, Germany, Europe

Overview, The Holy Trinity Saint Sergius Lavra, UNESCO World Heritage Site, Sergiev Posad, Russia, Europe

Arena and Roman Amphitheatre, UNESCO World Heritage Site, Arles, Provence, France, Europe

Houses of Parliament at sunset, UNESCO World Heritage Site, Westmister, London, England, United Kingdom, Europe

Mount Cook, Highway 80 S curve road and Lake Pukaki, Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Mount Cook, empty road Highway 80, Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Mount Cook, Highway 80 S curve road and Lake Pukaki, Mount Cook National Park, UNESCO World Heritage Site, South Island, New Zealand, Pacific

Rose Window, West Front, Strasbourg Cathedral, UNESCO World Heritage Site, Strasbourg, Alsace, France, Europe

West Front, Strasbourg Cathedral, UNESCO World Heritage Site, Strasbourg, Alsace, France, Europe

Open-air and underground ruins of a 1st century Roman circus (chariot-racing track) and Tower, UNESCO World Heritage Site, Tarragona, Catalonia, Spain, Europe

Teatro Tomas Terry (Tomas Terry Theatre), Cienfuegos, UNESCO World Heritage Site, Cuba, West Indies, Caribbean, Central America

View of Palacio del Portal, Alhambra, UNESCO World Heritage Site, Granada, Andalucia, Spain, Europe

Mont St Michel, UNESCO World Heritage Site, holy island and peninsula at dusk, Normandy, France, Europe

Edinburgh Castle, UNESCO World Heritage Site, Edinburgh, Scotland, United Kingdom, Europe

The Monastery of Saint John the Theologian, UNESCO World Heritage Site, Patmos, Dodecanese, Greek Islands, Greece, Europe

Basilica di San Pietro in the Vatican, UNESCO World Heritage Site, Vatican City, Rome, Lazio, Italy, Europe

Pienza Cathedral, UNESCO World Heritage Site, Pienza, Tuscany, Italy, Europe

Charles Bridge, Prague, UNESCO World Heritage Site, Czech Republic, Europe

Charles Bridge, Prague, UNESCO World Heritage Site, Czech Republic, Europe

Altes Rathaus, Bamberg, UNESCO World Heritage Site, Bavaria, Germany, Europe

Altes Rathaus, Bamberg, UNESCO World Heritage Site, Bavaria, Germany, Europe

Golestan Palace, UNESCO World Heritage Site, Tehran, Iran, Middle East

Sheikh Lotfollah Mosque, UNESCO World Heritage Site, Imam Square, Isfahan, Iran, Middle East

Friday Mosque, UNESCO World Heritage Site, Isfahan, Iran, Middle East

Sheikh Lotfollah Mosque, UNESCO World Heritage Site, Imam Square, Isfahan, Iran, Middle East

Ali Qapu Palace, UNESCO World Heritage Site, Imam Square, Isfahan, Iran, Middle East

Friday Mosque, UNESCO World Heritage Site, Isfahan, Iran, Middle East

Ali Qapu Palace, UNESCO World Heritage Site, Imam Square, Isfahan, Iran, Middle East

Friday Mosque, UNESCO World Heritage Site, Isfahan, Iran, Middle East

Achaemenid archaeological site, Propylon, Gate of All Nations, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Achaemenid archaeological site, Propylon, Gate of All Nations, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Achaemenid archaeological site, Propylon, Gate of All Nations, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Pillars of the Apadana palace, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Achaemenid archaeological site, Propylon, Gate of All Nations, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Pillars of the Apadana palace, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Pillars of the Apadana palace, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Pillars of the Apadana palace, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Pillars of the Apadana palace, Persepolis, UNESCO World Heritage Site, Fars Province, Iran, Middle East

Friday Mosque, UNESCO World Heritage Site, Isfahan, Iran, Middle East

Visitors on the sandstone causeway exit from the famous Angkor Wat temple complex, Angkor, UNESCO World Heritage Site, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Structure 16, Mayan Archaeological Site, Yaxchilan, Chiapas, Mexico, North America

Christmas tree in St. Marks Square, San Marco, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Museo Nacional de la Lucha, formerly Iglesia y Convento de San Francisco. Trinidad, UNESCO World Heritage Site, Sancti Spiritus Province, Cuba, West Indies, Caribbean, Central America

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

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

Heads carved into rocks at Enchanted Castle, Sciacca, Agrigento district, Sicily, Italy, Mediterranean, Europe

Huge faces carved in stone, Bayon Temple, UNESCO World Heritage Site, Angkor, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Scenic view of a coastal landscape with cliffs, beach, and a winding path leading to the sea at Durdle Door, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Christmas tree in St. Marks Square, San Marco, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Sanctuary of the Sacred Heart of Jesus, Viana do Castelo, Minho-Lima, Portugal

Temple of Concordia, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

Temple of Juno, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

Temple of Concordia, Valley of Temples, Agrigento, UNESCO, Sicily, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

Castle of Carlo V, Lecce, Salento, Apulia, Italy

Cathedral of San Salvatore, Aix-en-Provence, Bouches du Rhone, Provence-Alpes-Cote d'Azur, France

The ancient Greek city of Mycenae, UNESCO, an archaeological site near Mykines in Argolis, north-eastern Peloponnese, Greece

University of Chernivtsi, UNESCO World Heritage Site, Chernivtsi, western Ukraine, Europe

Houses downtown Paramaribo, UNESCO World Heritage Site, Suriname, South America

Saxon painted Church, Voronets Monastery, founded 1488, Orthodox Christian, UNESCO World Heritage Site, Voronets, Bukovina, Romania, Europe

Standing stones in south east quadrant neolithic stone circle henge prehistoric monument, Avebury, UNESCO World Heritage Site, Wiltshire, England, United Kingdom, Europe

View over city rooftops to rolling hills, the Basilica of San Francesco prominent, UNESCO World Heritage Site, Siena, Tuscany, Italy, Europe

Roman Agora, Delphi, UNESCO World Heritage Site, Peloponnese, Greece, Europe

Theatre at Delphi, UNESCO World Heritage Site, Peloponnese, Greece, Europe

Tourists at Phouc Kien Assembly Hall, Hoi An, UNESCO World Heritage Site, Quang Nam, Vietnam, Indochina, Southeast Asia, Asia

Tourist at Phouc Kien Assembly Hall, Hoi An, UNESCO World Heritage Site, Quang Nam, Vietnam, Indochina, Southeast Asia, Asia

Taj Mahal at dawn, UNESCO World Heritage Site, Agra, Uttar Pradesh, India, Asia

View from Mount Ruapehu of Mount Ngauruhoe with a ski cottage in the foreground, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Aerial of Mount Ngauruhoe, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Building L, Monte Alban, UNESCO World Heritage Site, Oaxaca, Mexico, North America

Wat Mahatat, Sukhothai Historical Park, UNESCO World Heritage Site, Sukhothai, Thailand, Southeast Asia, Asia

Wat Phra Ram, Ayutthaya Historical Park, UNESCO World Heritage Site, Ayutthaya, Thailand, Southeast Asia, Asia

Suleymaniye Mosque, UNESCO World Heritage Site, Eminonu and Bazaar District, Istanbul, Turkey, Europe

Glaciar Perito Moreno (Perito Moreno Glacier), Lago Argentino, Los Glaciares National Park, UNESCO World Heritage Site, Patagonia, Argentina, South America

Tumuli park with its tombs from the Shilla monarchs, Gyeongju, UNESCO World Heritage Site, South Korea, Asia

Metal staircase climbing to rock palace fortress, Sigiriya, UNESCO World Heritage Site, Central Province, Sri Lanka, Asia

Catedral de Sevilla (Seville Cathedral), UNESCO World Heritage Site, Seville, Andalusia, Spain, Europe

The Minaret of the Koutoubia Mosque at dawn, UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa

The Bell Tower and the Church of St. Anne, UNESCO World Heritage Site, Warsaw, Poland, Europe

Grossmunster and Limmat River at sunrise, Zurich, Switzerland

The Astronomical Clock, Old Town Hall, UNESCO World Heritage Site, Prague, Europe

Bari city walls, bell tower of the ancient church of Santa Maria Annunziata, Bari, Apulia, Italy

Madonna della Greca Church, Locorotondo, Bari, Apulia, Italy

Colossus of Barletta, Basilica of the Holy Sepulchre, Barletta, Barletta-Andria-Trani, Apulia, Italy

Barletta Cathedral, Barletta, Barletta-Andria-Trani, Apulia, Italy

Basilica of the Holy Sepulchre, Barletta, Barletta-Andria-Trani, Apulia, Italy

Basilica of Saint Catherine of Alexandria, Galatina, Lecce, Salento, Apulia, Italy

Norman-Swabian Castle, Bari, Apulia, Italy

Air Force Palace, Bari waterfront, Bari, Apulia, Italy

Cathedral Square, Lecce, Salento, Apulia, Italy

Cathedral of San Salvatore, Aix-en-Provence, Bouches du Rhone, Provence-Alpes-Cote d'Azur, France

Roman amphitheater, UNESCO, Tarragona, Catalonia, Spain

Metropolitan and Primatial Cathedral Basilica of Santa Tecla (Tarragona Cathedral), Tarragona, Catalonia, Spain

Tower of Gold (Torre del Oro), Seville, Andalusia, Spain

Ferreres Aqueduct, UNESCO, Tarragona, Catalonia, Spain