801-1092 - Cliff dwelling of Southern Sinagua farmers, built in the early 1100s CE (Common Era), a five storey, 20 room structure, Montezuma Castle National Monument, Arizona, United States of America, North America

1112-1075 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1077 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

801-1093 - Cliff dwelling of Southern Sinagua farmers, built in the early 1100s CE (Common Era), a five storey, 20 room structure, Montezuma Castle National Monument, Arizona, United States of America, North America

1112-1076 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1080 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1074 - Snow-capped mountains surround Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1079 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1078 - Gentoo penguins (Pygoscelis papua) surround the buildings at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

1112-1048 - United States Palmer Research Station in Arthur Harbor, Antarctica, Southern Ocean, Polar Regions

832-168131 - Detail view of the Golden Dome of Schwerin Castle, Schloss Schwerin, built from 1845 to 1857 in the style of romantic historicism, blue sky, Lennestrasse 1, Schwerin, Mecklenburg-Western Pomerania, Germany, Europe

832-136178 - Cano's Castle, built by Donald "Cano" Espinoza, a Native American and Vietnam veteran who built the Christian-themed structure from beer cans, hub caps, and other scrap materials, in thanks for his life being spared in Vietnam, Antonito, Colorado, USA

832-121520 - Chiostro Maggiore di San Francesco, cloister of the church St Francis, built in 1565 - 1623 in travertine, Ascoli Piceno, Marches, Italy, Europe

832-121521 - Chiostro Maggiore di San Francesco, cloister of the church St Francis, built in 1565 - 1623 in travertine, with a well in its center, Ascoli Piceno, Marches, Italy, Europe

832-70753 - Aerial view, Schloss Solitude palace, built 1763-1769 as a hunting and entertainment palace of Duke Carl Eugen von Wuerttemberg, Stuttgart, Baden-Wuerttemberg, Germany, Europe

1113-35167 - Ecological skyscraper Turning Torso at Vaestra Hamnen district, built for the eco building exhibition Bo01, landmark of Malmoe, Malmoe, Skane, South Sweden, Sweden

1116-29756 - Red Tile and Cracks, New Mexico, Rustic detail of door canopy.

1116-35571 - Thailand, Bangkok, Wat Rachapradit, closeup of stone Buddha image.

1116-29658 - California, San Francisco, Golden Gate Bridge from Marin County hillside.

1116-35574 - Thailand, Bangkok, Wat Ratchapradt, Buddha Image on ornate stone temple.

1116-33160 - Thailand, Chiang Mai, The Regent Resort, Flowers floating in pots along walkway overlooking resort.

1116-29656 - California, San Francisco, Golden Gate Bridge, Blurred traffic lights at evening.

1116-3974 - Johnston Canyon, Banff National Park, Alberta, Canada

1116-5574 - Inishowen Maritime Museum, Greencastle, County Donegal, Ireland

1116-5598 - Waterville, County Kerry, Ireland

1116-5575 - Inishowen Maritime Museum, Greencastle, County Donegal, Ireland

1116-3963 - Carrickkildavnet Castle, Achill Island, County Mayo, Ireland;

1116-5429 - Ring Shaped Old Ruin At Sunset; Ireland

797-10167 - Austria, Vienna, The columbary Dovecote or pigeon loft at the Schloss Schonbrunn, built between 1750-1755.

1024-350 - Mud-built farmhouse, Gokarna, Karnataka, India

1024-346 - Water pale outside mud-built farmhouse, Gokarna, Karnataka, India

746-74747 - The castle of Gancia family, an aristocratic residence built on the ruins of the imposing fortress erected in the year 1000, Canelli, Asti, Piemonte, Italy, Europe

698-2704 - The Charcoal Kilns, bee-hive structure, designed by Swiss engineers, built by Chinese labourers in 1879, Panamint range, Emigrant Canyon Road, Death Valley National Park, California, United States of America, North America

834-4180 - The worlds first iron structure built in 1779 by Abraham Darby, Iron Bridge, Ironbridge Gorge, UNESCO World Heritage Site, Shropshire, England, United Kingdom, Europe

834-4181 - The worlds first iron structure built in 1779 by Abraham Darby, Iron Bridge, Ironbridge Gorge, UNESCO World Heritage Site, Shropshire, England, United Kingdom, Europe

825-180 - Cardiff Central Market, a Victorian-era structure built in 1891, Cardiff, Wales, United Kingdom, Europe

817-60713 - PALM TREES FIGUEROA, STREET DOWNTOWN LOS ANGELES CALIFORNIA, USA

817-60492 - LINCOLN STATUE, MEMORIAL SQUARE, CLEVELAND OHIO, USA

801-373 - Pyramid of the Moon, Archaeological Zone of Teotihuacan, UNESCO World Heritage Site, Mexico, North America

312-3099 - Novice monks line up in front of monastic building at the new Karma Theckhling Monastery, built in traditional Sikkim style, Ravangla (Rabongla), Sikkim, India, Asia

801-107 - The Aqueduct built between 1785 and 1788, running parallell to Avenue Acueducto, Morelia, Michoacan, Mexico, North America

801-100 - Theatro Juarez, built between 1873 and 1903, Guanajuato city, Guanajuato, Mexico, North America

641-12288 - The Cathedral built in 1790, Montevideo, Uruguay, South America

586-1465 - Steel gateway sculptures outside New Art Gallery Te Puna o Waiwhetu, built 2003, Christchurch, Canterbury, South Island, New Zealand, Pacific

29-4928 - Qutb Minar, victory tower 73m high, built between 1193 and 1368 of sandstone, UNESCO World Heritage Site, Delhi, India, Asia

665-4970 - National fort built by Vauban in 1689, St. Malo, Brittany, France, Europe

29-4909 - Predjama Castle, built in mouth of cave, near Postojna, Slovenia, Europe

462-2467 - The Fort of Nossa Senhora da Penha de Franca, popularly known as the Fortaleza Ponta da Bandeira, built towards the end of the 17th century to defend the harbour, Lagos, Algarve, Portugal, Europe

462-2466 - The Fort of Nossa Senhora da Penha de Franca, popularly known as the Fortaleza Ponta da Bandeira, built towards the end of the 17th century to defend the harbour, Lagos, Algarve, Portugal, Europe

462-2465 - The Fort of Nossa Senhora da Penha de Franca, popularly known as the Fortaleza Ponta da Bandeira, built towards the end of the 17th century to defend the harbour, Lagos, Algarve, Portugal, Europe

29-4872 - Dhar Alhajr (the Iman's Palace), built on a sandstone crag, Wadi Dhahr, near Sana'a, Yemen, Middle East

733-2864 - An incense burner at Lingyin Temple built in AD 326 in Lingyin Temple Forest Park, Hangzhou, Zhejiang Province, China, Asia

733-2865 - Lingyin Temple built in AD 326 in Lingyin Temple Forest Park, Hangzhou, Zhejiang Province, China, Asia

733-2866 - People visiting Lingyin Temple built in AD 326 in Lingyin Temple Forest Park, Hangzhou, Zhejiang Province, China, Asia

733-2882 - St. Sophia Russian Orthodox Church illuminated at night, built in 1907 in the Daoliqu area, Harbin, Heilongjiang Province, Northeast China, China, Asia

733-2883 - St. Sophia Russian Orthodox Church seen through arches illuminated at night, built in 1907 in the Daoliqu area, Harbin, Heilongjiang Province, Northeast China, China, Asia

733-2884 - St. Sophia Russian Orthodox Church seen through arches illuminated at night, built in 1907 in the Daoliqu area, Harbin, Heilongjiang Province, Northeast China, China, Asia

733-2934 - The Drum Tower, a later Ming dynasty version originally built in 1273 marking the centre of the old Mongol capital and Bell Tower, Beijing, China, Asia

733-2935 - The Drum Tower, a later Ming dynasty version originally built in 1273 marking the centre of the old Mongol capital, Beijing, China, Asia

747-680 - Arundel Castle, original structure built in the 11th century, seat of Roger de Montgomery, most of stone castle built between 1133 and 1189, Arundel, West Sussex, England, United Kingdom, Europe

747-682 - Arundel Castle, original structure built in the 11th century, seat of Roger de Montgomery, most of stone castle built between 1133 and 1189, Arundel, West Sussex, England, United Kingdom, Europe

733-2671 - The Bell Tower originally built in 1273 marking the center of the Mongol Empire, Beijing, China, Asia

733-2678 - St Josephs Church (the East Church) built in 1655 during the reign of Shunzhi illuminated on Wanfujing Shopping Street, Beijing, China, Asia

733-2679 - St Josephs Church (the East Church) built in 1655 during the reign of Shunzhi illuminated on Wanfujing Shopping Street, Beijing, China, Asia

733-2680 - St Josephs Church (the East Church), built in 1655 during the reign of Shunzhi illuminated on Wanfujing Shopping Street, Beijing, China, Asia

312-2830 - Octagonal Krishna Temple built by Pratapa Malla in memory of two of his favourite queens, Durbar Square, UNESCO World Heritage Site, Patan, Bagmati, Nepal, Asia

733-2525 - Confucius Temple and Imperial College built in 1306 by the grandson of Kublai Khan and administered the official Confucian examination system, Beijing, China, Asia

733-2521 - Chinese girl under a glazed archway at the Confucius Temple Imperial College, built in 1306 by the grandson of Kublai Khan, administering the official Confucian examination system, Beijing, China, Asia

391-7659 - Dragut Mosque, built in the late 16th century by the pirate Dragut, governor of Tripoli from 1553 to 1565, Tripoli, Libya, North Africa, Africa

733-1811 - Spanish Old Town, ancestral homes and colonial era mansions built by Chinese merchants, UNESCO World Heritage Site, Vigan City, Ilocos Province, Luzon Island, Philippines, Southeast Asia, Asia

770-870 - Urquhart Castle, built in the 13th century, on the shores of Loch Ness, Highland region, Scotland, United Kingdom, Europe

770-871 - Urquhart Castle, built in the 13th century, on the shores of Loch Ness, Highland region, Scotland, United Kingdom, Europe

83-12164 - The new Catedral de la Inmaculada Concepcion built in 1885, on Parque Calderon, the main plaza in centre of attractive colonial capital, Cuenca, Azuay Province, Southern Highlands, Ecuador, South America

718-1292 - Pena National Palace, built in 1840s for the Royal family, UNESCO World Heritage Site, Sintra, Portugal, Europe

252-11242 - Bran Castle (Dracula's Castle) perched atop a 60m peak in the centre of the village, built by Saxons from Brasov in 1382, Bran, Prahova Valley, Saxon Land, Transylvania, Romania, Europe

252-11241 - Bran Castle (Dracula's Castle) perched atop a 60m peak in the centre of the village, built by Saxons from Brasov in 1382, Bran, Prahova Valley, Saxon Land, Transylvania, Romania, Europe

252-11223 - The 75m tall steeple and vast modernist church of Hallgrimskirkja, rising above the city, built between 1940 and 1974, Reykjavik, Iceland, Polar Regions

252-11222 - The 75m tall steeple and vast modernist church of Hallgrimskirkja, rising above the city, built between 1940 and 1974, Reykjavik, Iceland, Polar Regions

110-20638 - Sultan Qaboos Grand Mosque, built in 2001, with a prayer hall accommodating 20000, Ghubrah, Muscat, Oman, Middle East

1-39220 - Taj Mahal on the banks of the Yamuna River, built by Shah Jahan for his wife, Agra, India

1-39261 - Indian tourists at the Taj Mahal, built by the Moghul emperor Shah Jehan (Jahan), Agra, Uttar Pradesh, India

1-42373 - Peacock sculpture, City Palace built in 1775, Udaipur, Rajasthan, India

17-143 - View of Jaisalmer Fort, built in 1156 by Rawal Jaisal, which has 99 bastions around its circumference, Jaisalmer, Rajasthan, India

17-272 - Buddhist stupa and torana (gateway) of Stupa 1, known as the Great Stupa, built by the Emperor Ashoka in the 3rd century BC, at Sanchi, Madhya Pradesh, India

391-2006 - The Bahai Lotus Flower Temple, built in 1980, centre of the Bahai faith, Delhi, India

1-39108 - Itimad-ud-Daulah's Tomb built by Nur Jehan wife of Jehangir 1622AD, Agra, Uttar Pradesh State, India, Asia

110-13230 - Puente de Piedra, reconstruction of bridge built by St. Dominic, John of Ortega, over Rio Ebro (Ebro River), Logrono, Camino de Santiago, La Rioja, Castile and Leon, Spain, Europe

83-6263 - Cham Towers of Po Nagar, built between 7th and 12th centuries by the Cai River, Nha Trang, Vietnam, Indochina, Southeast Asia, Asia

753-87 - Part of city built closer to the river, Iquitos, Amazon, Peru, South America

485-663 - The Royal Pavilion, built by the Prince Regent, later to become King George IV, Brighton, East Sussex, England, UK

1-40835 - Meherangarh Fort, built in 1459, Jodhpur, Rajasthan, India

700-9737 - Tower of Belem, built 1515-1521, UNESCO World Heritage Site, and Rio Tejo (River Tagus), Lisbon, Portugal, Europe

251-1778 - The Royal Pavilion, built by the Prince Regent, later to become King George IV, Brighton, East Sussex, England, UK

462-1071 - The Oyster Union House, Blackstone Block, built in 1714, one of Boston's oldest surviving streets, Boston, Massachusetts, USA

390-206 - Cliveden House (National Trust), built 1851 by Sir Charles Barry, near Taplow, Buckinghamshire, England, UK

83-8176 - The Petronas Twin Towers, Kuala Lumpur, Malaysia, Asia"Designed by Cesar Pelli and Associates and built between 1994 and 1996, it stands 451.9m and each tower has 88 floors."

1-40036 - Jain Temple built in the 10th century and dedicated to Mahavira, Osiyan (Osian), Rajasthan, India

586-1011 - St. Bartholomew's church, built circa 1060, the smallest church in Surrey, Wanborough, Surrey, England, UK, Europe

700-9736 - Tower of Belem, built 1515-1521, UNESCO World Heritage Site, and Rio Tejo (River Tagus), Lisbon, Portugal, Europe

1-39200 - The Moghul emperor Akbar the Great's Mausoleum, built in 1602, at Sikandra, Agra, Uttar Pradesh, India