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Cape Cod Highland Light
Highland Light, officially named Cape Cod Light on nautical charts, is an active lighthouse in North Truro, Massachusetts, established in 1797 as the first on Cape Cod.
Cape Hatteras Light
Cape Hatteras Light is a lighthouse at Buxton on Hatteras Island, North Carolina, lit in 1870 and, at 198 feet, the tallest brick lighthouse in the United States.
Cape Romano Dome House
The Cape Romano Dome House was a self-sustaining Florida vacation home of six interconnected concrete domes on stilts, built by Bob Lee from 1980 to 1982.
Cape Town water crisis
The Cape Town water crisis was the 2015–2018 drought and supply emergency in which Cape Town's dams fell toward Day Zero, the planned municipal tap shutoff that never arrived.
Capilano Suspension Bridge
The Capilano Suspension Bridge is a 137-meter pedestrian bridge crossing the Capilano River canyon 70 meters above the water in North Vancouver, British Columbia, first built in 1889.
Capital Centre (Landover, Maryland)
The Capital Centre, later known as USAir Arena, was an indoor arena in Landover, Maryland, that hosted the Washington Bullets and Capitals from 1973 until 1997.
Capital Gate
Capital Gate, also known as the Leaning Tower of Abu Dhabi, is a 160-meter skyscraper in Abu Dhabi that leans 18 degrees, more than four times the tilt of Pisa's tower.
Capital One Arena
Capital One Arena, formerly the MCI Center, is a 20,000-seat indoor arena in Washington, D.C.'s Chinatown that opened in 1997 and is home to the Washington Wizards and Capitals.
Capital Wheel
The Capital Wheel is a 180-foot-tall observation wheel at National Harbor, Maryland, on the Potomac River south of Washington, D.C., opened in 2014 with 42 enclosed, climate-controlled gondolas.
Capsule hotel
A capsule hotel, also known as a pod hotel, is a Japanese lodging format where guests sleep in stacked bed-sized modules with shared facilities, first opened in Osaka in 1979.
Car wash
A car wash, also known as car washing, is a facility or service for cleaning motor vehicles by hand, brush, or touchless systems, from self-service bays to automated tunnels.
Caravanserai
A caravanserai (kervansaray, funduq) is a roadside inn built along trade and pilgrimage routes across Eurasia and North Africa, offering caravans and other travelers shelter, food, and water about a day's journey apart.
Carbon filtering
Carbon filtering, or carbon filtration, removes contaminants by adsorption onto activated carbon, a key drinking-water treatment for taste, odor, pesticides, volatile organic compounds, and PFAS.
Cardiff Bay Barrage
The Cardiff Bay Barrage is a 1.1 km barrier across the mouth of Cardiff Bay in south Wales, built from 1994 to 1999 to create a freshwater lake.
Cardiff Castle
Cardiff Castle (Castell Caerdydd) is a castle in central Cardiff, Wales, built within the walls of a Roman fort, with Norman, medieval, and lavish Victorian Gothic elements on one site.
Cardiff Corporation Waterworks
Cardiff Corporation Waterworks was the municipal water undertaking of Cardiff, Wales, formed in 1879, which supplied the city with water from impounding reservoirs in the Taff Fawr valley.
Carillion
Carillion plc, a British multinational construction and facilities management company, entered compulsory liquidation in January 2018 with nearly £7 billion in liabilities and about 45,000 employees worldwide.
Carlo Ratti
Carlo Ratti is an Italian architect and engineer who directs MIT's Senseable City Lab, leads a Turin design studio, and curated the 2025 Venice Architecture Biennale.
Carlo Scarpa
Carlo Scarpa, born Carlo Alberto Scarpa, was a Venetian architect and designer (1906–1978) known for the Castelvecchio Museum restoration, exhibition design, and Murano glasswork at Venini.
Carlsbad Desalination Plant
The Claude "Bud" Lewis Carlsbad Desalination Plant is a seawater reverse-osmosis plant in Carlsbad, California, opened in December 2015 as the largest in the United States, producing about 10 percent of San Diego County's water.
Caroline (tunnel boring machine)
Caroline was a 2,050-tonne tunnel boring machine that excavated the 5-mile western section of HS2's Northolt Tunnel in London, launched in 2022 and completed in 2025.
Carpenter
A carpenter is a tradesperson who builds and repairs wooden structures and fixtures, including building frameworks, stairways, and door frames; about 889,700 worked in the United States in 2025.
Carpenters' Hall
Carpenters' Hall is a Georgian brick hall in Philadelphia built in 1773, best known as the meeting place of the First Continental Congress in 1774.
Carpentry
Carpentry is the craft and trade of cutting, shaping, and joining timber to construct and install the structural parts of buildings, including floors, roofs, partitions, and frames.
Carquinez Bridge
The Carquinez Bridge is a pair of highway bridges carrying Interstate 80 across the Carquinez Strait between Crockett and Vallejo, California, opened in 1958 and 2003.
Carroll Street Bridge
The Carroll Street Bridge is a retractile bridge built in 1889 over the Gowanus Canal in Brooklyn, New York, the oldest known retractile bridge in the United States.
Carry-over factor
The carry-over factor is a coefficient in structural analysis, the ratio of the moment induced at a member's far end to the moment applied at the near end.
Carson, Pirie, Scott and Company Building
The Carson, Pirie, Scott and Company Building, now the Sullivan Center, is a twelve-story Chicago department store building designed by Louis Sullivan and built from 1898 to 1904.
Cârța Monastery
Cârța Monastery (Mănăstirea Cârța) is a former Cistercian abbey in the village of Cârța, southern Transylvania, Romania, founded around 1205 and dissolved in 1474; its choir now serves as the village's Lutheran church.
Carter's Grove
Carter's Grove is an 18th-century Georgian plantation house on the James River in Virginia, built between 1744 and 1755 for Carter Burwell and long run as a museum by Colonial Williamsburg.