Templo del Santuario church, Patzcuaro, Michoacan State, Mexico, North America

Crusader Sea Castle, Sidon, Lebanon, Middle East

Red chilli peppers on barn door, New Mexico, United States of America, North America

Ruins of the Church of La Recoleccion, destroyed by earthquake in 1700s, Antigua, UNESCO World Heritage Site, Guatemala, Central America

Fresco in the atrium entrance of the Poppea Villa (Villa Poppaea), Oplontis, UNESCO World Heritage Site, Campania, Italy, Europe

Kotor Old City walls, South Entrance, Kotor, UNESCO World Heritage Site, Montenegro, Europe

Cafe in San Telmo Park in the Triana District, Las Palmas City, Gran Canaria Island, Canary Islands, Spain, Europe

Gate of Salutation, Topkapi Palace, UNESCO World Heritage Site, Istanbul, Turkey, Europe

Lush green landscape with rocky cliffs and a clear blue sky, featuring a natural cave entrance and footpath at Malham Cove, Yorkshire, England, United Kingdom, Europe

Ben Youssef Medersa, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan, UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa

Entrance to Al Murabbaa Heritage Fort, Al Ain, Abu Dhabi, United Arab Emirates, Middle East

Yacht and watchtower at entrance to Mgarr ix-Xini coastal inlet, island of Gozo, Malta, Mediterranean, Europe

Brimstone Hill Fortress, UNESCO World Heritage Site, St. Kitts, St. Kitts and Nevis, Leeward Islands, West Indies, Caribbean, Central America

Valeki Revelin, the entrance to the Historic Town of Korcula, Korcula Island, Dalmatian Coast, Croatia, Europe

Geunjeongjeon Throne Hall, Gyeongbokgung Palace, Seoul, South Korea, Asia

Tourists being photographed at the facade of the Monastery carved into the red rock at Petra, UNESCO World Heritage Site, Jordan, Middle East

San Geronimo Chapel, Taos Pueblo, UNESCO World Heritage Site, Pueblo dates to 1000 AD, New Mexico, United States of America, North America

General Staff Building, Hermitage Square, St. Petersburg, Russia, Europe

Cathedral and steps with no people, Amalfi, Costiera Amalfitana (Amalfi Coast), UNESCO World Heritage Site, Campania, Italy, Europe

Iglesia San Francisco, Salta, Argentina, South America

Corinthian Tomb, Royal Tombs, Petra, UNESCO World Heritage Site, Jordan, Middle East

Assumption Cathedral, Ivan the Great Bell Tower, and Archangel Cathedral inside the Kremlin, UNESCO World Heritage Site, Moscow, Russia, Europe

Society of Jesus, Casco Viejo, UNESCO World Heritage Site, Panama City, Panama, Central America

Syracuse Cathedral, Ortygia, UNESCO World Heritage Site, Syracuse (Siracusa), Sicily, Italy, Europe

Almudena Cathedral seen from open doorway of Royal Palace, Madrid, Spain, Europe

Dome of The Hofburg Palace at dawn, UNESCO World Heritage Site, Michaelerplatz, Vienna, Austria, Europe

San Telmo Palace at dusk, Seville, Andalusia, Spain, Europe

The Venetian Arsenal, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Gateway entrance of the Medina shopping and restaurant complex, Yasmine Hammamet, Cap Bon, Tunisia, North Africa, Africa

Trg Marsala Tita (main Square), Rovinj, Istria, Croatia, Europe

Gate entrance to The Great Ridge and Losehill with cloud inversion, Edale, The Peak District, Derbyshire, England, United Kingdom, Europe

Covered cenote well at convent of San Bernardino of Sienna, Valladolid, Yucatan, Mexico, North America

Persepolis, Iran, Middle East

The Alamo, San Antonio, Texas, USA

Jabrin, Oman, Middle East

The Great Court, view to the Great Gate, Trinity College, Cambridge, Cambridgeshire, England, UK

Casino, Deauville, Cote Fleurie, Calvados, Basse Normandie (Normandy), France, Europe

Historic flag, Society Hill, Philadelphia, Pennsylvania, United States of America (U.S.A.), North America

Brownstone, Upper West Side, New York City, New York, United States of America (U.S.A.), North America

The Basilica of Bom Jesus, built 1594, Old Goa, Goa, India

Temple in Chinatown, Melaka (Malacca), Malaysia, Southeast Asia, Asia

Man standing outside the Djenne Mosque, the largest mud structure in the world, UNESCO World Heritage Site, Djenne, Niger Inland Delta, Mali, West Africa, Africa

Detail of the entrance door to Iglesia de la Compania de Jesus church on Plaza de Armas, Cuzco, UNESCO World Heritage Site, Peru, South America .

Puerta Santa doorway, Santiago Cathedral, UNESCO World Heritage Site, Santiago de Compostela, Galicia, Spain, Europe

A door in the souks in the Medina, Marrakesh, Morroco, North Africa, Africa

Three Arches, symbolic old gates of the city, Ponta Delgada, Sao Miguel Island, Azores, Portugal, Europe

St Josephs Church (the East Church), built in 1655 during the reign of Shunzhi illuminated on Wanfujing Shopping Street, Beijing, China, Asia

St Josephs Church (the East Church) built in 1655 during the reign of Shunzhi illuminated on Wanfujing Shopping Street, Beijing, China, Asia

Chefchaouen, near the Rif Mountains, Morocco, North Africa, Africa

Mausoleum of Moulay Ismail, Meknes, Morocco, North Africa, Africa

Cathedral and Bishop's Palace, Palermo, Sicily, Italy, Europe

The Royal Courts of Justice in London, England, United Kingdom, Europe

Masai woman, Masai Mara National Reserve, Kenya, East Africa, Africa

Casa del Advino (Magician's House), Uxmal, UNESCO World Heritage Site, Yucatan, Mexico, North America

Putuo Zongcheng Tibetan outer temple dating from 1767, Chengde city, UNESCO World Heritage Site, Hebei Province, China, Asia

Huabiao statue and gate at the Ming Tombs, Beijing, China, Asia

Theatro Juarez, built between 1873 and 1903, Guanajuato city, Guanajuato, Mexico, North America

Men's meeting house at Belau National Museum Koror, Republic of Palau, Pacific

Jalpan Mission, UNESCO World Heritage Site, one of five Sierra Gorda missions designed by Franciscan Fray Junipero Serra, Jalpan, QuerŽtaro, Mexico, North America

Entrance to Las Pozas, the pools, surrealist sculpture garden and architecture created by Edward James an eccentric English aristocrat, Xilitla, San Luis Potosi state, Mexico, North America

Moroccan man entering the Mosque of the Andalusian, Fez, Morocco, North Africa, Africa

Changing of the Guards, Deoksugung Palace (Palace of Virtuous Longevity), Seoul, South Korea, Asia

Town Hall, Henley-on-Thames, Oxfordshire, England, United Kingdom, Europe

Portrait of a Turkish man, Urfa, Anatolia, Eastern Turkey, Asia Minor, Eurasia

Sculpture detail on Onze Lieve Vrouwekathedraal, Antwerp, Flanders, Belgium, Europe

Silence sign in monastery, Le Reposoir, Haute-Savoie, France, Europe

Detail, Duomo (Cathedral), Parma, Emilia Romagna, Italy, Europe

South porch, Rouen Cathedral, Rouen, Upper Normandy, France, Europe

View of entrance to Terracotta Warriors Tomb Museum, Xi'an, Shaanxi Province, People's Republic of China, Asia

Door at the Buddhist monastery in Tengboche in the Khumbu region of Nepal, Asia

Sanctuary of Bom Jesus de Matosinhos, UNESCO World Heritage Site, Congonhas, Minas Gerais, Brazil, South America

Svetitskhoveli Cathedral, 11th century, by Patriach Melkisedek, Mtskheta, historical capital, UNESCO World Heritage Site, Georgia, Caucasus, Central Asia, Asia

Urn Tomb, Royal Tombs, Petra, UNESCO World Heritage Site, Jordan, Middle East

Kasbah, Tangier, Morocco, North Africa, Africa

Road leading to the Cathedral of St. Isabel, Malabo, Bioko, Equatorial Guinea, Africa

Historical entrance hall of the central station, Prague, Bohemia, Czech Republic, Europe

Royal Palace, Phnom Penh, Cambodia, Indochina, Asia

Cottage City, 19th c. cottage, Oak Bluffs, Martha's Vineyard, Cape Cod, Massachusetts, USA

Pagoda gate in Hoi An, historic town south of Danang, Vietnam, Indochina, Asia

Ghentport, Bruges, Belgium

Entrance gate with shield, Sultan's Palace, walled city of Muscat, Muscat, Oman, Middle East

Bicycle with flowers in basket, Havana Centro, Havana, Cuba, West Indies, Central America

Hamer tribesman, Lower Omo Valley, southern Ethiopia, Ethiopia, Africa

The Cathedral of the Virgin of the Assumption, began in 1553, Oaxaca City, Oaxaca, Mexico, North America

Puerto dal Conde, Old Town, UNESCO World Heritage Site, Santo Domingo, Dominican Republic, West Indies, Caribbean, Central America

Fountain of Amphitrite, Place Stanislas, UNESCO World Heritage Site, Nancy, Lorraine, France, Europe

That Luang Stupa, constructed in 1566 by King Setthathirat, Vientiane, Laos, Indochina, Southeast Asia, Asia

Entrance Path (Sando), Okunoin graveyard, site of 20000 Buddhist gravestones, Koya-san, Kansai (Western Province), Honshu, Japan, Asia

Entrance Path (Sando), Okunoin graveyard, site of 20000 Buddhist gravestones, Koya-san, Kansai (Western Province), Honshu, Japan, Asia

The Kremlin of Novgorod, UNESCO World Heritage Site, Novgorod, Russia, Europe

Borsa (Stock Exchange), Milan, Lombardy, Italy, Europe

Temple of the Emerald Buddha (Wat Phra Kaew), Grand Palace, Bangkok, Thailand, Southeast Asia, Asia

City Palace, Jaipur, Rajasthan, India, Asia

Rodeo Drive, Beverly Hills, Los Angeles, California, United States of America, North America

San Salvador Cathedral, on Plaza de Alfonso el Casto, Oviedo, Asturias, Spain, Europe

Caves at the Quarry Garden at the Archaeological Park of Syracuse (Siracusa), UNESCO World Heritage Site, Sicily, Italy, Europe

Door protected by lions at the Life Guard Club in Repulse Bay, Hong Kong, China, Asia

Prado (Paseo de Marti), La Habana Vieja (Old Havana), UNESCO World Heritage Site, Havana, Cuba, West Indies, Caribbean, Central America

Beau Rivage beach sign, Nice, Alpes Maritimes, Provence, Cote d'Azur, French Riviera, France, Europe

San Francisco de Asis Mission Church, National Historic Landmark, established 1772, Ranchos de Taos, New Mexico, United States of America, North America