The CN Tower is a 553.3 m-high (1,815.3 ft) concrete communications and observation tower in Toronto, Ontario, Canada. Completed in 1976, it is located in downtown Toronto, built on the former Railway Lands. Its name "CN" referred to Canadian National, the railway company that built the tower. Following the railway's decision to divest non-core freight railway assets prior to the company's privatization in 1995, it transferred the tower to the Canada Lands Company, a federal Crown corporation responsible for the government's real estate portfolio.
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources define skyscrapers as being at least 100 meters (330 ft) or 150 meters (490 ft) in height, though there is no universally accepted definition, other than being very tall high-rise buildings. Historically, the term first referred to buildings at least 10 stories high when these types of buildings began to be constructed in the 1880s. Skyscrapers may host offices, hotels, residential spaces, and retail spaces.
The Petronas Towers, also known as the Petronas Twin Towers and colloquially the KLCC Twin Towers, are an interlinked pair of 88-storey supertall skyscrapers in Kuala Lumpur, Malaysia, standing at 451.9 metres. From 1996 to 2004, they were the tallest buildings in the world until they were surpassed by the Taipei 101 building. The Petronas Towers remain the world's tallest twin skyscrapers, surpassing the original World Trade Center towers in New York City, and were the tallest buildings in Malaysia until 2019, when they were surpassed by The Exchange 106. The Petronas Towers are a major landmark of Kuala Lumpur, along with the nearby Kuala Lumpur Tower and Merdeka 118, and are visible in many places across the city.
Taipei 101, formerly known as the Taipei World Financial Center, is a 508.0 m, 101 story skyscraper in Taipei, Taiwan. It is owned by Taipei Financial Center Corporation. The building was officially classified as the world's tallest from its opening on 31 December 2004. However, the Burj Khalifa surpassed Taipei 101 in 2010. Upon completion, it became the world's first skyscraper to exceed a height of half a kilometer. As of 2023, Taipei 101 is the tallest building in Taiwan and the eleventh tallest building in the world.
Ostankino Tower is a television and radio tower in Moscow, Russia, owned by the Moscow branch of unitary enterprise Russian TV and Radio Broadcasting Network. Standing 540.1 metres (1,772 ft), it was designed by Nikolai Nikitin. As of 2022, it is the tallest free-standing structure in Europe and 12th tallest in the world. Between 1967 and 1974, it was the tallest in the world. The tower was the first free-standing structure to exceed 500 m (1,600 ft) in height. Ostankino was built to mark the 50th anniversary of the October Revolution. It is named after the surrounding Ostankino district of Moscow.
The Jin Mao Tower, also known as the Jinmao Building or Jinmao Tower, is a 420.5-meter-tall (1,380 ft), 88-story landmark skyscraper in Lujiazui, Pudong, Shanghai, China. It contains a shopping mall, offices and the Grand Hyatt Shanghai hotel which starts from the 53rd floor, which at the time of completion was the highest hotel in the world. Along with the Oriental Pearl Tower, the Shanghai World Financial Center and the Shanghai Tower it is part of the Lujiazui skyline seen from the Bund. It was the tallest building in China from its completion in 1999 until 2007, when it was surpassed by the Shanghai World Financial Center which is located close by. The Shanghai Tower, a 128-story building located next to these two buildings, surpassed the height of both these buildings in 2015, creating the world's first trio of adjacent supertall skyscrapers.
The Milad Tower, also known as the Tehran Tower, is a multi-purpose tower in Tehran, Iran. It is the sixth-tallest tower and the world's first telecommunication tower in terms of the usage area of the top structure and the tallest tower in Iran and the 24th-tallest freestanding structure in the world. The construction of this tower took about 11 years and 7 months.
The Almaty Television Tower, or simply Almaty Tower, formally the Koktobe TV Tower is a 371.5-metre-high (1,219 ft) steel television tower built between 1975 and 1983 in Almaty, Kazakhstan. The tower is located on high slopes of Kok Tobe mountain south-east of downtown Almaty. Unlike other similar TV towers, it is not a concrete, but a steel tubular structure. It is the tallest free-standing tubular steel structure in the world.
The Burj Khalifa is a skyscraper in Dubai, United Arab Emirates. It is the world's tallest structure. With a total height of 829.8 m and a roof height of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in 2009, surpassing Taipei 101, the holder of that status since 2004.
The Torre Mayor is an office skyscraper in Mexico City, Mexico that is the eighth tallest building in Mexico with a height of 225 meters. From its completion in 2003 until 2010, it was the tallest building in Latin America; it was surpassed by the 236 m (774 ft) high Ocean Two in Panama City, Panama. The Torre Mayor was developed by Canadian businessman Paul Reichmann, who also maintained part ownership until his death in 2013. 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.
The Mile-High Illinois, or simply The Illinois, is an unbuilt conceptual design by American architect Frank Lloyd Wright for a one mile-high skyscraper to be built in Chicago, Illinois. Wright described the project in his 1957 book, A Testament. The design included 528 stories, later revised to 365 stories, with a gross area of 18,460,000 square feet (1,715,000 m2). Wright stated that there would be parking for 15,000 cars and 100 helicopters.
The Federation Tower is a complex of two skyscrapers built on the 13th lot of the Moscow International Business Center in Moscow, Russia. The two skyscrapers are named Tower East or Vostok and Tower West or Zapad.
One North Wacker, UBS Tower is a 50-story skyscraper at One North Wacker Drive in downtown Chicago, Illinois. The tower was built from 1999 to 2002 to accommodate Swiss investment bank UBS AG's Chicago headquarters. Originally UBS Tower, as it was solely known then, housed four different branches of the bank including its investment banking, wealth management advisory, asset management, and private banking businesses.
The Solae is an elevator test tower located in the city of Inazawa, Japan. It is owned by Mitsubishi Electric. The tower is 173 metres (568 ft). When completed in 2007, it was the world's tallest elevator test tower. Since that time, the record has been broken by the Hyundai Eizan Tower in 2009, the Hitachi G1 Tower in 2010 and the Kunshan Test Tower in China.
Shanghai Tower is a 128-story, 632-meter-tall (2,073 ft) megatall skyscraper located in Lujiazui, Pudong, Shanghai. It is the tallest building in China and the world's third-tallest building by height to architectural top. It is the tallest and largest LEED Platinum certified building in the world since 2015. It had the world's fastest elevators at a top speed of 20.5 meters per second until 2017, when it was surpassed by the Guangzhou CTF Finance Center, with its top speed of 21 meters per second. Designed by the international design firm Gensler and owned by the Shanghai Municipal Government, it is the tallest of the world's first triple-adjacent supertall buildings in Pudong, the other two being the Jin Mao Tower and the Shanghai World Financial Center. Its tiered construction, designed for high energy efficiency, provides nine separate zones divided between office, retail and leisure use. The US-based Council on Tall Buildings and Urban Habitat cites it as "one of the most sustainably advanced tall buildings in the world."
Jeddah Tower or Burj Jeddah, previously known as Kingdom Tower, is a skyscraper construction project in Jeddah, Saudi Arabia. It is planned to be the first 1-kilometre-tall (3,281 ft) building and would be the world's tallest building or structure upon completion, standing 180 m (591 ft) taller than the Burj Khalifa. Located in the north side of Jeddah, it is the centrepiece of the Jeddah Economic City project. After almost five years of inactivity, development work on the project resumed in 2023.
Merdeka 118, formerly known as Menara Warisan Merdeka, KL 118 and PNB 118, is a 118-story megatall skyscraper in Kuala Lumpur, Malaysia. At 678.9 m (2,227 ft) tall, it is the second-tallest building and structure in the world, only behind the Burj Khalifa at 829.8 m (2,722 ft).
