Instruct: Given a question, retrieve relevant passages that answer the question.
Query: What is the worlds tallest building?
The tallest building in the world, as of 2022, is Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the Rouen Cathedral and the Empire State Building.
The tallest artificial structure is Burj Khalifa, a skyscraper in Dubai that reached in height on January 17, 2009. By April 7, 2008 it had been built higher than the KVLY-TV mast in North Dakota, USA. That September it officially surpassed Poland's Warsaw radio mast, which stood from 1974 to 1991, to become the tallest structure ever built. Guyed lattice towers such as these masts had held the world height record since 1954.
Dubai, the largest city in the United Arab Emirates, is home to many modern high-rises, 88 of which stand taller than . The tallest building in Dubai is the Burj Khalifa, which rises and contains 161 floors. The tower has stood as both the tallest building in the world and the tallest man-made structure of any kind in the world since its completion in January 2010. The second-tallest building in Dubai is the Marina 101, which also stands as the world's tallest residential skyscraper. The skyscrapers of Dubai are, for the most part, clustered in three different locations. The land along Sheikh Zayed Road was the first to develop, followed by the Dubai Marina neighborhood and the Business Bay district.
Trump World Tower was briefly the tallest all-residential tower in the world, prior to the completion of the 21st Century Tower in Dubai (2003) and the Tower Palace 3 in Seoul (2004). The tallest of the handful of wholly residential towers completed to date by Donald Trump, it cost approximately US$300 million to construct. The penthouse on the top two floors of the structure which totaled 20,000 square feet (1,858 m²) was priced at $58 million; however, after failing to sell for years, it was split into four different units.
After Burj Khalifa had been formally recognized by the Guinness World Records as the world's tallest freestanding structure, Guinness re-certified CN Tower as the world's tallest freestanding tower. The tower definition used by Guinness was defined by the Council on Tall Buildings and Urban Habitat as 'a building in which less than 50% of the construction is usable floor space'. "Guinness World Records" editor-in-chief Craig Glenday announced that Burj Khalifa was not classified as a tower because it has too much usable floor space to be considered to be a tower. CN Tower still held world records for highest above ground wine cellar (in 360 Restaurant) at 351 metres, highest above ground restaurant at 346 metres (Horizons Restaurant), and tallest free-standing concrete tower during Guinness's recertification. The CN Tower was surpassed in 2009 by the Canton Tower in Guangzhou, China, which stands at tall, as the world's tallest tower; which in turn was surpassed by the Tokyo Skytree in 2011, which currently is the tallest tower at in height. The CN Tower, as of 2018, stands as the ninth-tallest free-standing structure on land, remains the tallest free-standing structure in the Western Hemisphere, and is the third-tallest tower.
This list of tallest buildings in Toronto ranks skyscrapers in the Canadian city of Toronto, Ontario by height. The tallest structure in Toronto is the CN Tower, which rises . The CN Tower was the tallest free-standing structure on land from 1975 until 2007. However, it is not generally considered a high-rise building as it does not have successive floors that can be occupied. The tallest habitable building in the city is First Canadian Place, which rises 298 metres (978 ft) tall in Toronto's Financial District and was completed in 1975. It also stands as the tallest building in Canada.
The Hyperion Tower (Korean: 하이페리온 타워), also known as the Mok-dong Hyperion Towers, is a group of three buildings located in the Yangcheon-gu district of Seoul, South Korea, completed in 2003. The tallest of which, Tower A, is 69 storeys and 256 metres (840 feet) high, making it the second tallest building in Seoul and the world's 214th tallest building. The towers are used as residential housing. Tower A is the world's 19th tallest residential building. Below the building is the Hyundai Department store, a chain of high end department stores in South Korea. At the time of its completion, the building was the tallest in the country but was surpassed by Samsung Tower Palace 3 – Tower G in 2004.The Hyperion Tower floors B1~B2 and 1~7 are a department store, while B3~B6 is a parking lot, and floors 9~65 are residential.
This list of skyscrapers in Taiwan ranks skyscrapers in Taiwan by height. The tallest building in Taiwan is currently the 101–story Taipei 101, which rises and was completed in 2004. It was officially classified as the world's tallest from 2004 to 2010. Now, it is still the tallest building in Taiwan, Asia's 6th tallest building and the world's 9th tallest building. There are currently six buildings over 200m under construction in Taiwan, including the Taipei Twin Tower 1, which is under planning and will reach and the Taipei Sky Tower, which is under construction in Taipei and will reach .
The tallest buildings in Argentina are primarily residential and are almost all located in Buenos Aires, the Argentine capital city and a major metropolitan area within South America. Most of the buildings were completed after 2000, with some notable exceptions being the Kavanagh building, an Art Deco skyscraper completed in 1936, and the Alas Building, commissioned by President Juan Perón in 1950 and completed in the late 1950s.
The Washington Monument is an obelisk on the National Mall in Washington, D.C., built to commemorate George Washington, once commander-in-chief of the Continental Army and the first President of the United States. Located almost due east of the Reflecting Pool and the Lincoln Memorial, the monument, made of marble, granite, and bluestone gneiss, is both the world's tallest predominantly stone structure and the world's tallest obelisk, standing tall according to the National Geodetic Survey (measured 2013–14) or tall according to the National Park Service (measured 1884). It is the tallest monumental column in the world if all are measured above their pedestrian entrances. It was the tallest structure in the world from 1884 to 1889, when it was overtaken by the Eiffel Tower in Paris.
Dallas, the third largest city in the U.S. state of Texas, is the site of 36 completed high-rises over , 19 of which stand taller than . The tallest building in the city is the Bank of America Plaza, which rises in Downtown Dallas and was completed in 1985. It also stands as the 3rd-tallest building in Texas and the 28th-tallest building in the United States. The second-tallest skyscraper in the city is the Renaissance Tower, which rises and was completed in 1974. The Comerica Bank Tower, completed in 1987 and rising , is the third-tallest building in Dallas. Three of the ten tallest buildings in Texas are located in Dallas.
The new current tallest building in Bogotá is the BD Bacatá, In June 2, 2015 it became taller than Torre Colpatria, which held the title of the tallest building in Colombia since 1979. When finished, The BC Bacatá is expected to be tall.
On September 11, 2001, two of four hijacked planes were flown into the Twin Towers of the original World Trade Center, and the towers subsequently collapsed. 7 World Trade Center collapsed due to fires and structural damage caused by heavy debris falling from the collapse of the Twin Towers. The other buildings within the World Trade Center complex were damaged beyond repair and soon after demolished. The collapse of the Twin Towers caused extensive damage to other surrounding buildings and skyscrapers in Lower Manhattan, and resulted in the deaths of 2,606 people, in addition to those on the planes. Since 2001, most of Lower Manhattan has been restored, although there has been controversy surrounding the rebuilding. Many rescue workers and residents of the area developed several life-threatening illnesses that have led to some of their subsequent deaths. A memorial at the site was opened to the public on September 11, 2011, and the museum opened in 2014. In 2014, the new One World Trade Center, at and formerly known as the Freedom Tower, became the tallest building in the Western Hemisphere, while other skyscrapers were under construction at the site.
The Torre Mayor (literally "Major Tower") is a skyscraper in Mexico City, Mexico. With a height of 225 metres (738 feet) to the top floor and 55 stories, it is the third tallest building in Mexico. It was surpassed in height by Torre BBVA Bancomer in 2015, which in turn was surpassed by Torre Reforma. From its completion in 2003 until 2010 (when it was surpassed by the 236 meter (774 ft) high Ocean Two in Panama City. ) it was also the tallest building in Latin America. The Torre Mayor was developed by Canadian businessman Paul Reichmann, who also maintains part ownership. It is also part-owned by a group of institutional investors. The building was designed by the architectural firms of Zeidler Partnership Architects and Executive Architects Adamson Associates Architects, both of Toronto. The structural engineers and designers were The Cantor Seinuk Group from New York City in association with Enrique Martínez Romero S.A. in Mexico City (Engineering News-Record, June 30, 2003).
Ostankino Tower (, "Ostankinskaya telebashnya") is a television and radio tower in Moscow, Russia, owned by the Moscow branch of unitary enterprise Russian TV and Radio Broadcasting Network. Standing , Ostankino was designed by Nikolai Nikitin. It is currently the tallest free-standing structure in Europe and 11th tallest in the world. Between 1967 and 1976 it was the tallest in the world. The tower was the first free-standing structure to exceed in height. Ostankino was built to mark the 50th anniversary of the October Revolution. It is named after the surrounding Ostankino district of Moscow.
Tampa, the third-largest city in the U.S. state of Florida, is home to 145 completed high-rises, 21 of which stand taller than . The tallest building in Tampa is the 42-story 100 North Tampa, which rises and was completed in 1992. The structure is the seventeenth-tallest completed building in Florida, and the tallest building in the state outside of Miami and Jacksonville. The city's second-tallest building is the Bank of America Plaza, which rises 42 stories and in height. The building was damaged in a 2002 plane crash, in which a young pilot stole and crashed a Cessna 172 into the building's north face. Overall, of the 20 tallest buildings in Florida, two are located in Tampa.
The building was built for Wachovia bank to replace the nearby Wachovia Building (which was renamed Winston Tower) as the corporation's world headquarters. Wachovia Center, as the tower was originally named, surpassed Winston Tower as Winston-Salem's tallest building. The building was erected during a lull in skyscraper construction in the United States and was the tallest building completed in the entire country during the years of 1995 and 1996. The building remained Wachovia's corporate headquarters from its completion date in 1995 to 2001, when Wachovia merged with First Union. Once the merger was finalized, the corporation, which retained the Wachovia name, decided to locate its headquarters at One Wachovia Center in Charlotte, North Carolina. Wachovia subsequently sold Wachovia Center to American Financial Realty Trust in May 2004 for $39.6 million as part of a $546 million deal which included 150 bank properties. Wachovia bank continued to lease space in the tower, mostly for offices of its wealth management division.
Thanksgiving Tower is a 50-story, skyscraper at 1601 Elm Street in adjacent to Thanks-Giving Square downtown Dallas Texas. At its completion in 1982, it was the second tallest building in Dallas, surpassing Elm Place. One year later, with the completion 1700 Pacific it became the third tallest, and it is currently the 8th-tallest building in the city. The building is connected to the Dallas Pedestrian Network and the Bullington Truck Terminal. Thanksgiving Tower is owned and managed by Woods Capital, and it was designed by the architecture firm HKS Architects.
The YPF tower is a corporate high-rise building designed by internationally recognized architect César Pelli constructed in the Puerto Madero "barrio" (district) of Buenos Aires, Argentina. Construction began in 2005, and the office building was completed in September 2008. The building is tall and has 44 floors. It was, upon completion in 2008, the tallest office building in Argentina, and the third tallest overall. The building is located on the corner of Macacha Güemes and Juana Manso streets, in the Puerto Madero ward.
Museum Tower is the 15th-tallest structure in Dallas, tied with both the Reunion Tower and Cityplace Center in height. Among all-residential buildings in Dallas it is surpassed in height only by the Republic Center Tower I, with its spire. However, if measuring by roof height, and thereby excluding the Republic Center Tower I's spire, Museum Tower is taller. It also breaks the record for the highest residence in Dallas, surpassing the Republic I. The Museum Tower is the 4th-tallest building in Dallas' Arts District, behind Chase Tower, Fountain Place, and the Trammell Crow Center; with Bank Of America Plaza being the tallest building in Dallas.
The Southland Life Building overtook the Republic National Bank Building and became from 1959 to 1964 the tallest in the city and the tallest building west of the Mississippi River. Its height was later surpassed in the city by Republic Center Tower II. For many years after the building's opening, the most exclusive restaurant in downtown Dallas was the Chaparral Club on the 37th floor, and an observation deck was located at the top of the tower.
This list of tallest buildings in Taipei ranks skyscrapers in the Taiwanese capital of Taipei by height. The tallest building in Taipei is currently the 101–story Taipei 101, which rises and was completed in 2004. It was officially classified as the world's tallest from 2004 to 2010. Now, it is still the tallest building in Taiwan, Asia's 6th tallest building and the world's 9th tallest building. There are currently several buildings over 200m under construction in Taipei, including the Gate of Taipei towers A and B, which are under planning and will reach and respectively, and the Taipei Sky Tower, which is under construction in Xinyi District and will reach .
When measured either by the height of its roof, or by the height of its highest habitable floor, Eureka Tower was the tallest residential building in the world when completed. It is also currently the building with the most floors available for residential occupancy in the world. The building stands in height, with 91 storeys above ground plus one basement level. It is one of only seven buildings in the world with 90 or more storeys and is the equal 77th tallest building in the world. It is also the second-tallest building in Australia and the tallest building in Melbourne. The single level basement and first 9 floors contain car parking. The building's proximity to the water table as well as the Yarra River made the construction of a basement car park uneconomical. In all, there are 84 floors of apartments (including some floors shared between car parking and apartments), with the remainder being used for building facilities and the observation deck.
The earliest structures now known to be the tallest in the world were the Egyptian pyramids, with the Great Pyramid of Giza, at an original height of , being the tallest man-made structure in the world for over 3,800 years, until the construction of Lincoln Cathedral in 1300. From then until the completion of the Washington Monument (capped in 1884) the world's tallest buildings were churches or cathedrals. Later, the Eiffel Tower and, still later, some radio masts and television towers were the world's tallest structures.
However, though all of these are "structures", some are not "buildings" in the sense of being regularly inhabited or occupied. It is in this sense of being regularly inhabited or occupied that the term "building" is generally understood to mean when determining what is the world's tallest building. The non-profit international organization Council on Tall Buildings and Urban Habitat (CTBUH), which maintains a set of criteria for determining the height of tall buildings, defines a "building" as "(A) structure that is designed for residential, business or manufacturing purposes" and "has floors".