5,208 articles
Alkali-activated slag
Alkali-activated slag (AAS) is a clinker-free cementitious binder made from ground blast-furnace slag and an alkaline activator, studied since 1930 and used in construction since 1960.
All Saints' Church (United Kingdom)
All Saints' Church, a very common UK parish church dedication; examples include the Grade I medieval church at Chevington, Suffolk (NHLE 1186968), Leicester's 12th-century church, and Whitstable's Grade II church.
All-American Canal
The All-American Canal is an 80-mile gravity-fed irrigation canal in southeastern California, authorized in 1928 and delivering Colorado River water to the Imperial Valley since 1940.
Allegheny and Monongahela River locks and dams
The Allegheny and Monongahela River locks and dams are U.S. Corps of Engineers structures that allow deep nine-foot barge navigation, making Pittsburgh the second busiest inland port.
Allianz Field
Allianz Field is a soccer-specific stadium in Saint Paul, Minnesota, and the home of Minnesota United FC of Major League Soccer. Opened in 2019 at a cost of $250 million, it seats 19,400.
Alligator cracking
Alligator cracking, also called fatigue cracking, is a network of interconnecting cracks in asphalt pavement resembling alligator skin, caused by fatigue failure from repeated heavy traffic loading.
Almatti Dam
The Almatti Dam (ಆಲಮಟ್ಟಿ), officially the Lal Bahadur Shastri Dam, is a hydroelectric dam on the Krishna River in North Karnataka, India, and the main storage dam of the Upper Krishna Project.
Almohad architecture
Almohad architecture is the building tradition of the Almohad Caliphate (1147–1269), a Berber dynasty ruling from Marrakesh and Seville, known for its mosques and square minarets.
Alnwick Castle
Alnwick Castle is a castle and ducal residence in Alnwick, Northumberland, England, held by the Percy family since 1309 and still occupied by the 12th Duke of Northumberland.
Alqueva Dam
The Alqueva Dam is a 96-meter concrete arch dam on the Guadiana River in Alentejo, southern Portugal, closed in 2002 to store water for irrigation and supply.
Althorp
Althorp, also known as Althorp House, is a Grade I country house and 13,000-acre estate in West Northamptonshire, England, seat of the Spencer family since 1508 and Diana, Princess of Wales's burial place since 1997.
Alton Estate
The Alton Estate is a large 1950s London County Council council housing estate at Roehampton in southwest London, adjoining Richmond Park and home to over 13,000 people.
Aluminium composite panel
An aluminum composite panel (ACP) is a flat building cladding of two thin aluminum sheets bonded to a polyethylene or mineral core, whose combustibility drove bans after the 2017 Grenfell Tower fire.
Alvar Aalto
Alvar Aalto, fully Hugo Alvar Henrik Aalto, was a Finnish architect and designer (1898–1976) known for Paimio Sanatorium, Finlandia Hall, the Savoy vase, and bent birch furniture.
Álvaro Siza Vieira
Álvaro Siza, full name Álvaro Siza Vieira, is a Portuguese architect born in 1933 who won the 1992 Pritzker Prize for work attentive to site and tradition.
Amalienborg
Amalienborg is the residence of the Danish royal family in Copenhagen, four Rococo palaces built 1750-60 around an octagonal square and royal home since the 1794 Christiansborg fire.
Ambassador Bridge
The Ambassador Bridge, opened in 1929, is a privately owned suspension bridge over the Detroit River linking Detroit, Michigan, and Windsor, Ontario, and carries major U.S.-Canada truck trade.
Ambassador Hotel (Los Angeles)
The Ambassador Hotel was a landmark Los Angeles resort hotel on Wilshire Boulevard, opened in 1921 and demolished in 2005, where Robert F. Kennedy was assassinated.
Amber Fort
Amber Fort, also known as Amer Fort or Amber Palace, is a sandstone and marble hill fortress-palace at Amer near Jaipur, Rajasthan, inscribed by UNESCO in 2013.
Amber Room (Янтарная комната)
The Amber Room (Янтарная комната) is an 18th-century amber-paneled chamber given to Russia in 1716 and looted by Nazi Germany in 1941, missing since 1945.
Amerant Bank Arena
Amerant Bank Arena, previously named National Car Rental Center, BankAtlantic Center, and Broward County Civic Arena, is a 20,000-seat arena in Sunrise, Florida, home of the NHL's Florida Panthers.
American Bridge Company
American Bridge Company is an American construction contractor specializing in complex steel structures, formed by J. P. Morgan in 1900 and known for bridges like the Verrazzano-Narrows.
American colonial architecture
American colonial architecture is the umbrella term for the building traditions European settlers developed in North America from the 1620s to independence in 1783, including English, Dutch, French, Spanish, and German regional styles.
American Craftsman
American Craftsman, also known as Craftsman style or Craftsman house, is an early 20th-century American architectural style, applied most often to bungalows with wide porches and low-pitched roofs.
American Foursquare
The American Foursquare, also called the Prairie Box, is a two-story cube-shaped American house type with four rooms per floor, built from the 1890s into the 1930s.
American Institute of Architects
The American Institute of Architects (AIA), founded by 13 architects in New York in 1857, is the professional association for licensed architects in the United States, with more than 101,000 members.
American Society of Civil Engineers
The American Society of Civil Engineers, founded in 1852, is the oldest national civil engineering society in the United States, representing more than 160,000 members in 177 countries.
Amiens Cathedral
Amiens Cathedral, or Cathédrale Notre-Dame d'Amiens, is a Gothic cathedral in Amiens, France. Begun in 1220, it is the largest French cathedral and a UNESCO World Heritage Site.
Amistad Reservoir
Amistad Reservoir is a reservoir on the Rio Grande impounded in 1969 by Amistad Dam, operated jointly by the United States and Mexico near Del Rio, Texas.
Amphitheatre
An amphitheatre is an open-air oval, elliptical, or circular building of classical Roman type, with a central arena surrounded on all sides by tiered seating for gladiatorial spectacles.