5,208 articles
Sundial Bridge at Turtle Bay
The Sundial Bridge is a pedestrian bridge over the Sacramento River in Redding, California, designed by Santiago Calatrava and opened in 2004 as one of the world's largest working sundials.
Sunshine Skyway Bridge
The Sunshine Skyway Bridge, formally the Bob Graham Sunshine Skyway Bridge, is a cable-stayed toll bridge opened in 1987 across lower Tampa Bay, Florida, between St. Petersburg and Bradenton.
Sup'ung Dam (水丰大坝)
Sup'ung Dam, also known as Shuifeng Dam or Sui-ho Dam, is a hydroelectric dam on the Yalu River, built by Japan between 1937 and 1943 as Asia's largest dam.
Superelevation
Superelevation, also called banking, is the cross slope built into a roadway on a horizontal curve, supplying part of the lateral acceleration needed to follow it and serving as a controlling design criterion in highway engineering.
Surajkund (सूरजकुंड)
Surajkund (सूरजकुंड, Surya Kund) is a 10th-century masonry rainwater-harvesting reservoir at Lakharpur in Faridabad district, Haryana, India, attributed to the Tomar king Surajpal and now the site of an annual international crafts fair.
Suramadu Bridge
The Suramadu Bridge, officially the Surabaya–Madura National Bridge, connects Surabaya on Java with Madura Island across the Madura Strait, and opened in 2009 as Indonesia's longest bridge.
Surface irrigation
Surface irrigation is an agricultural method that distributes water over a field by gravity flow through furrows, borders, or basins, used as early as 6000 years ago in Mesopotamia.
Surfside condominium collapse
The Surfside condominium collapse, also known as the Champlain Towers South collapse, killed 98 people when part of a 12-story beachfront condominium fell in Surfside, Florida, in June 2021.
Surge tank
A surge tank, also called a surge chamber, is a chamber connected to a pressurized pipeline or tunnel that cushions water hammer in hydropower plants and pumping systems.
Surveying in North America
Surveying in North America is the practice of measuring property boundaries and land positions, carried out through systems like the US Public Land Survey System and Canada's Dominion Land Survey.
Suspender (bridge)
A suspender, also called a hanger or suspender cable, is the vertical tension member connecting a suspension bridge's deck to its main cables, transferring deck load.
Suspension bridge
A suspension bridge is a bridge whose deck hangs from main cables draped over towers and anchored at each end, allowing the longest spans of any bridge type.
Suspension footbridges of Taiwan
The suspension footbridges of Taiwan are pedestrian suspension bridges in the island's mountain landscape, with 186 cataloged spans from 116 to 342 meters, including the highest scenic bridge at Taiping.
Sustainable architecture
Sustainable architecture, also called green or eco-architecture, is the design of buildings that minimize energy and resource use and reduce greenhouse gas emissions across their life cycle.
Sustainable design
Sustainable design, also known as green design, is the practice of designing buildings, products, and environments to minimize environmental harm and resource consumption over their full life cycle.
Sutlej Yamuna link canal
The Sutlej Yamuna Link (SYL) canal is a proposed 214-km inter-state canal in northwest India to carry Haryana's share of Ravi and Beas waters from the Sutlej in Punjab.
Sutong Bridge
The Sutong Bridge (苏通长江公路大桥) is a cable-stayed bridge over the Yangtze River between Nantong and Changshu in Jiangsu, China, opened in 2008 with a record 1,088 m main span.
Sutro Tower
Sutro Tower is a 977-foot three-legged telecommunications tower on Mount Sutro in San Francisco, completed in 1973, that transmits TV and radio signals for the Bay Area.
Sutro Tunnel
The Sutro Tunnel is a drainage and access tunnel in Nevada, promoted by Adolph Sutro and built between 1869 and 1878 to serve the silver mines of Virginia City and Gold Hill.
Sutton Place, Surrey
Sutton Place is a grade I listed Tudor country house near Guildford, Surrey, built in the 1520s for Sir Richard Weston and later home to J. Paul Getty.
Svetitskhoveli
Svetitskhoveli (სვეტიცხოველი), meaning "life-giving pillar," is an 11th-century Georgian Orthodox cathedral in Mtskheta, Georgia, built between 1010 and 1029 and the burial place of many Georgian monarchs.
Swaminarayan Akshardham (Delhi)
Swaminarayan Akshardham is a Hindu temple and cultural complex in New Delhi, India, opened in 2005 on the banks of the Yamuna river by the BAPS organization.
Swayambhunath (स्वयम्भू स्तूप)
Swayambhunath, also known as the Monkey Temple, is an ancient Buddhist stupa on a hillock about 3 km west of central Kathmandu, Nepal, believed to date to 460 A.D.
Sweetheart Abbey
Sweetheart Abbey (Dulce Cor) is a ruined Cistercian monastery at New Abbey, Scotland, founded in 1273 by Dervorguilla Balliol, who was buried there with her husband's embalmed heart.
Swing bridge
A swing bridge, also called a turntable bridge, is a movable bridge whose span rotates horizontally about a central pivot pier, clearing the waterway for passing vessels.
Swing footbridge
A swing footbridge is a pedestrian or cycle bridge whose deck rotates horizontally about a vertical axis on a pivot pier, letting boats pass through the gap.
Sydney Harbour Bridge
The Sydney Harbour Bridge is a steel through-arch bridge opened in 1932 to link Sydney's central business district with the North Shore, and is one of Australia's most recognizable landmarks.
Sydney Harbour railway electricity tunnel
The Sydney Harbour railway electricity tunnel is a disused flooded cable tunnel under Sydney Harbour, built between 1913 and 1924 to carry power to the North Shore.
Sydney Harbour Tunnel
The Sydney Harbour Tunnel is a road tunnel under Sydney Harbour, opened in 1992 as Australia's first undersea road tunnel to relieve congestion on the Harbour Bridge.
Sydney Tower
Sydney Tower, also known as Centrepoint Tower or AMP Tower, is a 309-meter observation and telecommunications tower in Sydney's central business district, opened in 1981.