5,208 articles
Central Subway (San Francisco)
The Central Subway is a 1.7-mile Muni light rail extension in San Francisco, running mostly underground from the Caltrain station at 4th and King streets to Chinatown-Rose Pak station.
Central Utah Project
The Central Utah Project is a federal Bureau of Reclamation project moving Colorado River water from eastern Utah to the Wasatch Front, authorized by Congress in 1956.
Central Valley Project
The Central Valley Project is a federally run California water project that stores and delivers water from the Sacramento and San Joaquin rivers to farms and cities.
Central Vista
Central Vista is the central administrative axis of New Delhi, stretching 3.2 kilometers from Rashtrapati Bhavan to India Gate, now under a major redevelopment project begun in 2019.
Central Vista Redevelopment Project
The Central Vista Redevelopment Project is a phased rebuilding of New Delhi's central government axis, adding a new Parliament House, ten secretariat buildings, and an Executive Enclave.
Centre Block
The Centre Block is the main building of Canada's Parliament Buildings on Parliament Hill in Ottawa, home to the House of Commons and Senate since 1922.
Centre Pompidou
Centre Pompidou, also known as Beaubourg, is a Parisian cultural complex opened in 1977, housing Europe's largest modern art museum in an inside-out steel building.
Centrifugal pump
A centrifugal pump is a rotodynamic pump that uses a rotating impeller to increase a fluid's velocity, converting it into pressure in a volute or diffuser casing.
Centrifuge model test
A centrifuge model test, also called a centrifuge test, is a geotechnical modeling technique that spins scaled soil models at N times Earth's gravity, reproducing prototype stresses for foundations, slopes, tunnels, and earthquake studies.
Ceramic water filter
A ceramic water filter is a point-of-use device made of porous fired clay, often coated with colloidal silver, that removes bacteria and protozoa from drinking water.
Certificate of occupancy
A certificate of occupancy (CO) is a formal document issued by a building authority certifying that a building complies with building codes and is safe for tenancy.
Certosa di Pavia
The Certosa di Pavia, or Charterhouse of Pavia, is a Carthusian monastery in Lombardy founded in 1396 by Gian Galeazzo Visconti and built over four centuries.
Cesspit
A cesspit, also called a cesspool, is a pit or sealed tank dug into the ground to collect sewage, emptied periodically rather than discharging treated effluent.
Ceuta border fence
The Ceuta border fence, also called the Ceuta barrier (valla de Ceuta), is a fortified barrier on the border between Spanish Ceuta and Morocco, built in stages since 1993.
Chadstone Shopping Centre
Chadstone Shopping Centre, known as Chaddy, is a large regional shopping center in Malvern East and Australia's largest by retail sales, about 13 kilometers from Melbourne's CBD.
Chaharbagh Madrasa
The Chaharbagh Madrasa (مدرسه چهارباغ), also called the Soltani or Madar-e Shah Madrasa, is a Safavid-era religious college and mosque in Isfahan, Iran, built under the last Safavid shah, Sultan Husayn, in the early 1700s.
Chalcidicum
Chalcidicum (καλκιδικόν), a Roman architectural term for a portico, vestibule, or column-screen annex of a basilica or civic building, named from Chalcis; seen in Eumachia's Pompeii building and Augustus's Curia Iulia.
Chalet
A chalet is a traditional timber Alpine house with a stone lower story and deep-eaved gable roof, originally a Swiss farm building that became a holiday-home standard.
Chamber pot
A chamber pot, also called a jordan, is a portable bowl-shaped vessel kept in the bedroom and used as a toilet at night before indoor plumbing.
Champlain Canal
The Champlain Canal is a 60-mile canal in eastern New York connecting the Hudson River at Waterford to Lake Champlain at Whitehall, opened in 1823.
Chamundeshwari Temple (ಚಾಮುಂಡೇಶ್ವರಿ)
Chamundeshwari Temple (ಚಾಮುಂಡೇಶ್ವರಿ) is a Hindu temple on Chamundi Hill about 13 km from Mysuru, Karnataka, dedicated to the goddess Chamundeshwari, the presiding deity of Mysuru.
Chand Baori
Chand Baori, or Chand Baori stepwell, is a monumental ancient stepwell at Abhaneri near Jaipur, Rajasthan, built around the eighth to ninth century to conserve water.
Chandelier
A chandelier is an ornamental ceiling-suspended lighting fixture with two or more arms bearing lights, which has carried candles, gas burners, and electric lamps since medieval times.
Changtai Yangtze River Bridge (常泰长江大桥)
The Changtai Yangtze River Bridge (常泰长江大桥) is a road-rail bridge over the Yangtze in Jiangsu, China, opened in 2025 with the world's longest cable-stayed span, at 1,208 meters.
Channel Tunnel
The Channel Tunnel, also called the Chunnel, is a 50.5 km railway tunnel under the English Channel linking Folkestone and Coquelles, inaugurated on 6 May 1994 by Queen Elizabeth II and President François Mitterrand.
Channel Tunnel fire safety review
The Channel Tunnel fire safety review covers the official inquiries, service disruptions, and safety changes after the 1996 and 2008 HGV shuttle fires, including the 2008 report's 39 recommendations.
Chapel
A chapel is a place of Christian worship, usually a room or small building with an altar, that may stand alone or be attached to a larger building.
Chapel of Hakor
The Chapel of Hakor was a bark chapel built by the Egyptian pharaoh Hakor outside the first pylon of the temple of Amun at Karnak, housing the sacred bark of Amun-Ra during processions.
Chapel of Notre-Dame du Haut, Ronchamp
The Chapel of Notre-Dame du Haut (Chapelle Notre-Dame-du-Haut) is a Catholic pilgrimage chapel on a hill at Ronchamp, France, designed by Le Corbusier and built between 1950 and 1955.
Chapel of Our Lady
Chapel of Our Lady, Rotherham: Grade I listed medieval bridge chapel of 1483 on Rotherham Bridge, probably founded by Archbishop Thomas Rotherham; later almshouse, jail, and tobacconist, reconsecrated 1924.