Basilica of Our Lady of Pilar, Zaragoza, Aragon, Spain, Europe

Clear blue sky over the Eiffel Tower, symbol of French culture and iconic tourist attraction, Paris, France, Europe

Gothic architecture of an old cathedral against a clear blue sky, York, Yorkshire, England, United Kingdom, Europe

Brilliant red Forth Bridge railway crossing, UNESCO World Heritage Site, at the Fírth of Forth in South Queensferry, near Edinburgh, Scotland, United Kingdom, Europe

Historic medieval Soutomaior Castle (Castelo de Soutomaior), Pontevedra, Galicia, Spain, Europe

Gothic Cathedral facade against a clear blue sky in Peterborough, Cambridgeshire, England, United Kingdom, Europe

Barragem do Alqueva, Rio Guadiana river, Alqueva dam hydroelectric power, Moura, Portugal, Europe

Snow capped peaks including Mount Cika rising above hillside village, Palase, near Dhermi, Albania, Europe

Majestic ancient castle on a hill with clear blue sky, showcasing historical architecture and heritage, Northumberland, England, United Kingdom, Europe

Eiffel Tower on a sunny day with blue sky and fluffy clouds, iconic Parisian landmark, Paris, France, Europe

Kok-Moinok Canyon, a clay-sand structure formed on the slopes of arid mountains cut by water streams, Kyrgyzstan, Central Asia, Asia

Temple of Ramesses III, Medinat Habu, UNESCO World Heritage Site, Thebes, Luxor, Egypt, North Africa, Africa

Angkor Wat, UNESCO World Heritage Site, a Hindu-Buddhist temple complex near Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Reflections of Palau de les Arts Reina Sofia (Queen Sofia Palace of the Arts) and Museu de les Ciencies Principe Felipe (Principe Felipe Science Museum) of Ciudad de las Artes y las Ciencias (City of Arts and Sciences), Valencia, Spain, Europe

The Roman Amphitheatre, Arles, UNESCO World Heritage Site, Bouches du Rhone, Provence-Alpes-Cote d'Azur, France, Europe

Bran Castle, Bran, near Brasov, Transylvania. The castle was built by Saxons in 1377 who were given the privilege by Louis I of Hungary. It is a national monument and landmark in Transylvania and famous for its association with the Dracula story

The Facade of the Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India, South Asia, Asia

Real Alcazar, UNESCO World Heritage Site, Seville, Andalusia, Spain, Europe

Chhavi Niwas, The Blue Room at The City Palace, City Palace, Jaipur, Rajasthan, India, South Asia, Asia

Architectural detail of St. Peter's Basilica, featuring the iconic Vatican obelisk at its center, Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

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

Evening, Blue Mosque (Sultan Ahmed Mosque), 1609, UNESCO World Heritage Site, Sultanahmet, Istanbul, Turkey, Europe

Impressive post office, The historic Centre of Naples (Napoli), Campania, Italy, Europe

Lesser Town Water Tower, bridge to Children's Island (Detsky ostrov) and Vysehrad Fortress in background, Prague, Czech Republic (Czechia), Europe

Impressive post office, The historic Centre of Naples (Napoli), Campania, Italy, Europe

View of Cathedral-Basílica de Santa María de Mallorca, Palma de Mallorca, Majorca, Balearic Islands, Spain, Mediterranean, Europe

The ruins of the Roman town of Dougga, a UNESCO World Heritage site, valley of Oued Khalled, northwest Tunisia

Spendid entrance hall, Reggia di Caserta (Royal Palace of Caserta), UNESCO World Heritage Site, Campania, Italy, Europe

Iberdrola Tower, Torre Iberdrola, offices of Iberdrola Basque utility company near traditional architecture in Bilbao, Spain

Parterre with box tree ornaments, baroque gardens, Castle Schwetzingen, view from the baroque garden grounds, Baden-Wuerttemberg, Germany

Imposing church with two towers under a bright blue sky with clouds and surrounded by trees, Church of Our Lady, Meskla, Lefka Ori, White Mountains, Mountain Massif, West, Crete, Greece, Europe

Sheikh Zayed Grand Mosque Abu Dhabi in Abu Dhabi, United Arab Emirates, Asia

Sheikh Zayed Grand Mosque Abu Dhabi in Abu Dhabi, United Arab Emirates, Asia

Kasbah Amridil is a historic fortified residence or kasbah in the oasis of Skoura, in Morocco. It is considered among the most impressive kasbahs of its kind in Morocco and was previously featured on the Moroccan 50 dirham note

Parterre with box tree ornaments, baroque gardens, Castle Schwetzingen, view from the baroque garden grounds, Baden-Wuerttemberg, Germany

The impressive Namazgah Mosque Tirana near Skanderbeg Square in Tirana. Albania

Sunset over the Basilica of St. Peter and the Tiber in Rome

Ponte Sant'Angelo spanning the Tiber River and lined with statues of angels leading to the Castel Sant'Angelo (Mausoleum of Hadrian) at dusk; Rome, Lazio, Italy

Close-up view of the iconic Colosseum against a blue sky, showing a marble plaque above the East Entrance dedicated to Christian martyrs; Rome, Lazio, Italy

Close-up view of the iconic Colosseum against a blue sky; Rome, Lazio, Italy

Ponte Sant'Angelo spanning the Tiber River and lined with statues of angels illuminated by lampposts at dusk and leading to the Castel Sant'Angelo (Mausoleum of Hadrian); Rome, Lazio, Italy

The Erechtheion (or Temple of Athena Polias) with sunburst on the Acropolis of Athens, the ancient citadel located on a rocky outcrop overlooking the City of Athens at twilight, Athens, Greece

Camels with colorful saddles waiting for tourists with the Great Pyramid of Giza in the Distance, Giza, Cairo, Egypt

Two passenger camels waiting at the bottom of the Step Pyramid of Djoser against a blue sky, the Oldest Known Pyramid, located in the archaeological site in the Saqqara Necropolis, Egyptian Burial Grounds in the Village of Saqqara, Saqqara, Egypt

View of the Lighthouse on San Giorgio Maggiore Island looking across the waterway of Bacino Di San Marco to St Mark's Campanile, St Mark's Square, Doge's Palace on and the City of Venice Island under a blue sky, Venice, Veneto, Italy

A female Chinese tourist stands among a row of columns with ancient Egyptian hieroglyphic details at the Philae Temple, Aswan, Egypt, Africa

The skyline of the capital city of Doha and Business District at nightfall, Doha, Qatar

The Erechtheion (or Temple of Athena Polias) with sunburst on the Acropolis of Athens, the ancient citadel located on a rocky outcrop overlooking the City of Athens at twilight, Athens, Greece

Close-up view of the columns of The Parthenon against a blue, cloudy sky with a sunburst at twilight on the Acropolis of Athens, an ancient citadel located on a rocky outcrop above the City of Athens, Athens, Greece

Overview of the inside of the iconic Colosseum against a blue sky with crowds of tourists sightseeing; Rome, Lazio, Italy

Close-up view of the hieroglyphics on the columns of the Great Hypostyle Hall, reaching up towards the blue sky in the Karnak Temple Complex near Luxor, Precinct of Amun-Re, Luxor, Egypt

Close-up of the Hieroglyphic, bas-relief artwork on the walls inside the Temple of Horus in golden light, Edfu, Egypt, North Africa

Hawaii, Oahu, Ahuimanu Valley, Valley of the Temples, Two Black Swans in pond at Byodo-In Temple.

Hawaii, Oahu, Ahuimanu Valley, Valley of the Temples, Byodo-In Temple.

Hawaii, Oahu, Ahuimanu Valley, Valley of the Temples, Byodo-In Temple, Koi swimming in pond.

Thailand, Bangkok, Wat Rachapradit, closeup of stone Buddha image.

Thailand, Bangkok, Wat Ratchapradt, Buddha Image on ornate stone temple.

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