The entrance to St. Giles' Cathedral, the High Kirk of Scotland, on the Royal Mile in Edinburgh, Scotland, United Kingdom, Europe

View from cliff tops down into Durdle Door, Jurassic Coast, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Sao Bento railway station decorated with azulejos, Porto, Portugal, Europe

Sao Bento railway station decorated with azulejos, Porto, Portugal, Europe

Beautiful ornamented door inside the Grand Mosque, Kuwait City, Kuwait, Middle East

Mirror covered walls in the museum House of Mirrors, Kuwait City, Kuwait, Middle East

Bike outside a bar in Fort Worth Stockyards at night, Texas, United States of America, North America

Nubian painted village near Aswan, Egypt, North Africa, Africa

Penis-shaped knocker, Azemmour, Morocco, North Africa, Africa

Church of Ura Kidene Mehret, Zege Peninsula, Lake Tana, Ethiopia, Africa

Sorrisniva Igloo Hotel, ice hotel, exterior, Alta, Winter snow and sun, Troms og Finnmark, Arctic Circle, North Norway, Scandinavia, Europe

Sorrisniva Igloo Hotel, ice hotel, exterior, Alta, Winter snow and sun, Troms og Finnmark, Arctic Circle, North Norway, Scandinavia, Europe

Wisteria in full bloom surrounds a door in Saint-Dye-sur-Loire, Loir-et-Cher, France, Europe

Shrine of Hazrat Ali, who was assassinated in 661, Mazar-I-Sharif, Balkh province, Afghanistan, Asia

Classic Old Car, Old Town, UNESCO World Heritage Site, Havana, Cuba, West Indies, Caribbean, Central America

Bhutanese monks talk with head monk, Kyichu Temple, Bhutan, Asia

Interior of the Winter Palace, State Hermitage Museum, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

Interior ceiling of the Winter Palace, State Hermitage Museum, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

Woman in red dress and straw hat on white stone ledge outside the church, Kastro Village, Sifnos, Cyclades, Greek Islands, Greece, Europe

Historic Huguenot houses dating from the 18th century, Spitalfields, East End, London, England, United Kingdom, Europe

Pharmacy, Moroccan carpets, Medina, UNESCO World Heritage Site, Essaouira, Morocco, North Africa, Africa

Bahia Palace, UNESCO World Heritage Site, Marrakesh (Marrakech), Morocco, North Africa, Africa

Boy walking in the old town, Stone Town, UNESCO World Heritage Site, Island of Zanzibar, Tanzania, East Africa, Africa

Worshipper at the door of the Cathedral with Baby Jesus statuette at the annual Ati-Atihan Festival, Kalibo Island, Philippines, Southeast Asia, Asia

Hobbiton, wooden doors of Hobbit holes in the film set fictional village of Hobbiton, Matamata, North Island, New Zealand, Pacific

Woman walking by shop in downtown Charlotte Amalie, St. Thomas, US Virgin Islands, Caribbean

Traditional colourful clothing on Melville Street in St. George's, Grenada, Windward Islands, West Indies, Caribbean, Central America

An elderly Cuban sitting on a doorstep, smoking a cigar, Trinidad, Sancti Spiritus Province, Cuba, West Indies, Caribbean, Central America

Images of Che Guevara along a street in Havana, Cuba, West Indies, Caribbean, Central America

Tirumala Devaswom 16th century temple of the Gowda Saraswat Brahmins that worship Venkateswara, Cherlai, Kochi (Cochin), Kerala, India, Asia

Painted door, Rua de Santa Maria, Funchal, Madeira island, Portugal, Atlantic, Europe

Don Quixote Museum, Ciudad Real, Castile-La Mancha, Spain, Europe

Interior, Palais Claudio Bravo, Taroudant, Sous Valley, Morocco, North Africa, Africa

Door, Sidi Bou Said, near Tunis, Tunisia, North Africa, Africa

Traditional door, Ile De Re, France.

An elderly Cuban sitting on a doorstep, smoking a cigar, Trinidad, Sancti Spiritus Province, Cuba, West Indies, Caribbean, Central America

Fresco paintings on door in Rua de Santa Maria, famous street in the old town of Funchal, Madeira island, Portugal, Atlantic, Europe

Doors to the hotel and tea-house at Tsedang, Tibet, China, Asia

Ocean Drive, South Beach, Miami Beach, Florida, United States of America, North America

Stained glass window in The Cathedral of Notre Dame, Our Lady, at Strasbourg, Alsace, France

Traditional door, Ile De Re, France.

Traditional door with metal design, Ile De Re, France.

Buses at city centre bus station city of Valletta, Malta, Mediterranean, Europe

Morvi Temple (the Secretariat) an administrative building with a Hindu temple in the centre, built in the 19th century and being restored following the 1997 earthquake, Morvi, Gujarat, India, Asia

The Temple Bar traditional pub, city of Dublin, Republic of Ireland, Europe

Wisteria in full bloom surrounds a door in Saint-Dye-sur-Loire, Loir-et-Cher, France, Europe

African Masai woman and baby, Masai Mara, Kenya, East Africa, Africa

Painted door, Rua de Santa Maria, Funchal, Madeira, Portugal, Atlantic, Europe

Baptistery bronze East door by Ghiberti, Gates of Paradise, Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

Gate, St. Anne's Basilica, Brazzaville, Congo, Africa

Hindu style traditional door in Acacia wood at the 16th Century Amber Fort in Jaipur in Rajasthan, Northern India

Quaint urban street with colorful bunting, outdoor cafe, and pedestrians under a clear blue sky, Brighton, Sussex, England, United Kingdom, Europe

Flags outside colourful yellow Oliver St. John Gogarty pub in Temple Bar area, Dublin city centre, Republic of Ireland, Europe

Mural, Venice Beach, Los Angeles, California, United States of America, North America

Tashilumpo Monastery, the residence of the Chinese appointed Panchat Lama, Tibet, China, Asia

Lion polished brass door knocker, Georgian house, Merrion Square, Dublin, Republic of Ireland, Europe

Door, Ile De Re, France.

Doorway of Colegiata Santillana (St. Juliana's Collegiate Church) in Santillana del Mar, Cantabria, Northern Spain, Europe

Detail of reproduction hand painted china cupboard door knobs in a home, near Ahmedabad, Gujarat state, India, Asia

Chanwar Palki Walon-Ki Haveli (mansion), 400 years old, restored to its original state, Anokhi Museum, Amber, near Jaipur, Rajasthan state, India, Asia

Depiction of Abraham sacrificing Isaac, Gate of Paradise door of the Baptistry of San Giovanni, UNESCO World Heritage Site, Florence, Tuscany, Italy, Europe

Khas Mahal Palace built 17th Century by Mughal Shah Jehan for his daughters inside Agra Fort, India

The ornate interior of Madersa Bou Inania, Fes el Bali, UNESCO World Heritage Site, Fez, Morocco, North Africa, Africa

The tympanum on the front of Autun cathedral in Burgundy, France, Europe

A pub front, Dingle town, County Kerry, Munster, Republic of Ireland, Europe

Colorful painted door in the old alley of Rua de Santa Maria, Funchal, Madeira island, Portugal, Atlantic, Europe

Haut de Cagnes, Medieval Village, Cagnes sur Mer, Alpes Maritimes, Cote d'Azur, French Riviera, Provence, France, Europe

Ascension of Christ and the Theban soldiers by Philippe Kaeppelin on basilica door, Saint-Maurice Abbey, Saint-Maurice, Valais, Switzerland, Europe

Traditional door, Ile De Re, France.

Front door of town house in Chipping Campden, Gloucestershire, United Kingdom

Young boy curiously looking through an old antique door, Moroni, Grand Comore, Comoros, Indian Ocean, Africa

Georgian Door, Merrion Street Upper, Dublin City, County Dublin, Republic of Ireland, Europe

Volcano House, Cesar Manrique Foundation, Tahiche, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Motcomb Street in Belgravia, London, England, United Kingdom, Europe

Georgian doorway, Dublin, County Dublin, Republic of Ireland, Europe

Close-up of the exterior of a house with green shutters, pot plants and red roses beside the door, in the Nevre Region of Burgundy, France, France

Casa de Diego Velazquez, oldest house in Cuba, Santiago de Cuba, Cuba, West Indies, Central America

Bronze doors in the courtyard of Friday Mosque or Masjet-eJam, built in the year 1200 by the Ghorid Sultan Ghiyasyddin on the site of an earlier 10th century mosque, Herat, Herat Province, Afghanistan, Asia

Ivy covered cottage, Town of Borris, County Carlow, Leinster, Republic of Ireland, Europe

Red house in Fermoy Town, County Cork, Munster, Republic of Ireland, Europe

Traditional home with bicycles, Ile De Re, France.

Door knocker, Boulevard Saint Germain, Paris, France

Man entering Bet Medhane Alem church in Lalibela, Wollo, Ethiopia, Africa

West Door, front, of Santa Maria de Leon Cathedral in Leon, Castilla y Leon, Spain, Europe

Nyboder district with old houses from the 17th century, Copenhagen, Denmark, Scandinavia, Europe

Ivy on the walls of Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, United Kingdom, Europe

Colorful street life in Uganda, East Africa, Africa

Palazzo Dosi-Magnavacca, Pontremoli, Massa-Carrara, Tuscany, Italy, Europe

The opulent interior of the Palazzo Borromeo, Isola Bella, Borromean Islands, Lake Maggiore, Stresa, Piedmont, Italian Lakes, Italy, Europe

Tympanum above west door of abbey church of Ste. Foy (on the pilgrimage route to Santiago de Compostela) of Christ and the Last Judgement, UNESCO World Heritage Site, Conques, Midi-Pyrenees, France, Europe

Sultan of Agadez with his bodyguards, UNESCO World Heritage Site, Agadez, Niger, West Africa, Africa

Traditional old stone barn in Kilfenora, County Clare, West of Ireland

Traditional Basque doorway dried lavender, grasses old oak door in Biskaia Basque region, Spain

Traditional door, Azemmour, Morocco, North Africa, Africa

Parador Hostal de los Reyes Catolicos, UNESCO World Heritage Site, Santiago de Compostela, Galicia, Spain, Europe

Doorway within The Church on the Spilled Blood, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

Water Street, Lavenham, Suffolk, England, United Kingdom, Europe

Hobbiton, wooden doors of Hobbit holes in the film set fictional village of Hobbiton, Matamata, North Island, New Zealand, Pacific

Men sit outside a bar, Jardin, Antioquia, Colombia, South America

Exterior of an adobe house with a tile roof and blue door, Salamanca, Castile Leon (Castilla Leon), Spain, Europe