Blue Mosque (Sultanahmet) at twilight, UNESCO World Heritage Site, Fatih District, Istanbul Province, Turkey, Europe

Luxor temple at night, UNESCO World Heritage Site, Thebes, Luxor, Egypt, North Africa, Africa

L'Arc Rouge (The Red Arch) by the French artist Daniel Buren on La Salve Bridge (The Prince and Princess of Spain Bridge) in front of the Guggenheim Museum designed by architect Frank Gehry, Bilbao, province of Biscay, Basque Country, Spain, Europe

Rear entrance to the Hofburg Palace, UNESCO World Heritage Site, and Neue Burg museum, Vienna, Austria, Europe

View of Belém Tower (Torre de Belém) on a sunny day, Lisbon, Portugal, Europe

Old and New Lighthouse, Kap Arkona Cape, Putgarden, Rügen, Mecklenburg-Western Pomerania, Germany

View towards the Old Town and Zocalo at sunset, Mexico City, Mexico

View over West Plaza towards the Pyramid of the Sun, Teotihuacan, Mexico State, Mexico

Temple details in Kamakura, Honshu, Japan

Vienna, Austria ��� View of the Ankeruhr, the famous Art Nouveau bridge-clock on Hoher Markt, featuring 12 historical figures that parade daily across its golden mosaic face at noon.

Overview of Luang Prabang from Phu Si hill with the Mekong River in the background, northern Laos

Terrasse Borj al-Hajoui, Tangier, Morocco

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

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

Bride and groom holding hands. Wedding in Montenegro