5,208 articles
Los Angeles Aqueduct
The Los Angeles Aqueduct, also called the Owens Valley aqueduct, carries Sierra water 233 miles to Los Angeles; built 1907 to 1913, it supplies about 40 percent of the city's water.
Los Angeles City Hall
Los Angeles City Hall is the seat of Los Angeles municipal government, a 28-story Art Deco tower completed in 1928 that was the city's tallest building until 1957.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power (LADWP) is the municipal utility of Los Angeles, serving about 4 million residents and the nation's largest municipal power system.
Los Pelambres desalination plant
A reverse osmosis seawater desalination plant at Punta Chungo port near Los Vilos, Chile, serving the Los Pelambres copper mine with 400 liters per second of industrial water.
Lötschberg Base Tunnel
The Lötschberg Base Tunnel (Lötschberg-Basistunnel) is a 34.6-kilometer Swiss railway tunnel opened in 2007, running beneath the Bernese Alps between Frutigen and Raron as the first base tunnel of the New Rail Link through the Alps.
Lotte World Tower (롯데월드타워)
Lotte World Tower (롯데월드타워), also known as Lotte Tower, is a 555-meter, 123-story mixed-use skyscraper in Seoul, South Korea, opened in 2017 as the country's tallest building.
Lotus Temple
The Lotus Temple, also known as the Bahá'í House of Worship, Delhi, is a lotus-shaped temple in New Delhi, India, completed in 1986 to a design by Fariborz Sahba.
Louis Carl Lundstrom
Louis Carl Lundstrom was an American engineer at General Motors who pioneered full-scale vehicle crash testing of highway hardware and vehicle crashworthiness, including guardrails and the energy-absorbing steering column.
Louis Kahn
Louis Kahn (1901–1974), born Leiser-Itze Schmuilowsky, was an American architect trained at the University of Pennsylvania whose monumental, light-filled buildings include the Salk Institute, Kimbell Art Museum, and National Assembly Building in Dhaka.
Louis Sullivan
Louis Sullivan, also known as Louis Henry Sullivan (1856–1924), was a Chicago architect of the firm Adler & Sullivan who shaped the early skyscraper and coined "form ever follows function."
Louisville sewer explosions
The Louisville sewer explosions were a series of underground blasts that tore through Old Louisville, Kentucky, on February 13, 1981, after hexane from a Ralston-Purina soybean plant leaked into sewers.
Louisville Water Tower
The Louisville Water Tower, also known as the Louisville Water Company Pumping Station, is a historic 185-foot water tower in Louisville, Kentucky, operating since 1860.
Loukkos irrigation scheme
The Loukkos irrigation scheme is a large-scale irrigated agriculture perimeter in northwest Morocco, supplied by the Oued El Makhazine dam and managed by the regional office ORMVAL.
Lounge bridges and wind-and-rain bridges of China
Lounge bridges (lángqiáo, "corridor bridge") are Chinese timber bridges carrying roofed galleries, including woven-arch bridges in Fujian and Zhejiang and Dong and Miao wind-and-rain bridges.
Louvre Palace
The Louvre Palace (Palais du Louvre) is a former royal residence in Paris begun as a fortress under Philippe Auguste around 1190, now housing the Louvre, the world's most-visited museum.
Louvre Pyramid
The Louvre Pyramid (Pyramide du Louvre) is a glass pyramid by I. M. Pei at the Louvre in Paris, inaugurated in 1989 as the museum's main entrance.
Love hotel
A love hotel (ラブホテル, rabu hoteru) is a type of short-stay hotel found chiefly in Japan that rents rooms to couples by the hour or for a night.
Low-carbon concrete
Low-carbon concrete is concrete designed to cut greenhouse-gas emissions, chiefly by replacing Portland cement clinker with supplementary cementitious materials like fly ash, slag, or calcined clay.
Low-impact development
Low-impact development (LID) is a stormwater management approach that manages rainwater close to where it falls using practices like rain gardens, permeable pavement, and green roofs.
Lower Granite Dam
Lower Granite Dam is a dam on the lower Snake River in Washington state, completed in 1975 and operated by the U.S. Army Corps of Engineers, generating 810 megawatts.
Lubyanka Building
The Lubyanka (Лубя́нка) is the building on Lubyanka Square in Moscow that has housed Soviet and Russian secret police from the Cheka and KGB to today's FSB, with a famous internal prison.
Ludendorff Bridge
The Ludendorff Bridge, or Remagen Bridge, was a steel railway bridge across the Rhine at Remagen, Germany, captured intact by American forces on 7 March 1945.
Ludlow Castle
Ludlow Castle is a partly ruined medieval fortress in Ludlow, Shropshire, England, probably founded by Walter de Lacy around 1075 and later home to the Council in the Marches.
Ludwig Mies van der Rohe
Ludwig Mies van der Rohe, born Maria Ludwig Michael Mies, was a German-born American architect and Bauhaus director known for steel-and-glass buildings like the Seagram Building and the Barcelona chair.
Luis Barragán House and Studio
Luis Barragán House and Studio (Casa Estudio Luis Barragán), the architect's 1947–1948 concrete house in Tacubaya, Mexico City; UNESCO World Heritage Site since 2004, criteria (i)(ii), now a museum.
Lumber
Lumber, also called timber or structural timber, is wood sawn from logs into standardized pieces for construction and trade, graded by quality and dried to a specified moisture content.
Lump sum contract
A lump sum contract, also called a fixed-price contract, is a construction contract with a single price fixed at the outset regardless of the contractor's actual costs.
Lutyens' Delhi
Lutyens' Delhi, sometimes called Imperial Delhi, is the area of New Delhi designed by Edwin Lutyens and Herbert Baker as British India's imperial capital, inaugurated in 1931.
Luxembourg Palace
The Luxembourg Palace (Palais du Luxembourg) is a 17th-century palace in Paris, built for Marie de Médicis by Salomon de Brosse and home of the French Senate since 1799.
Luxor Las Vegas
Luxor Las Vegas, also known as Luxor Hotel and Casino, is a 30-story black glass pyramid-shaped hotel and casino on the southern Las Vegas Strip, opened in 1993.