The CN Tower is a 553.3 m-high (1,815.3 ft) concrete communications and observation tower in downtown Toronto, Ontario, Canada. Built on the former Railway Lands, it was completed in 1976. 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 real estate development.
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least 100 metres (330 ft) or 150 metres (490 ft) in height, though there is no universally accepted definition. Skyscrapers are very tall high-rise buildings. Historically, the term first referred to buildings with between 10 and 20 stories 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 the KLCC Twin Towers, are 88-storey supertall skyscrapers in Kuala Lumpur, Malaysia. At 451.9 metres, they are the world's tallest twin skyscrapers. Between 1998 and 2004, they were the tallest buildings in the world. The Petronas Towers remained as the tallest buildings in Malaysia until 2021, when they were surpassed by the Merdeka 118. 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. The Petronas Towers were almost the same height as the World Trade Center (1973-2001).
Taipei 101, formerly known as the Taipei World Financial Center, is a skyscraper in Taipei, Taiwan. This building was officially classified as the world's tallest from its opening in 2004 until the 2009 completion of the Burj Khalifa in Dubai, UAE. Upon completion, it became the world's first skyscraper to exceed a height of half a kilometer.
The Singer Building was an office building and early skyscraper in Manhattan, New York City. The headquarters of the Singer Manufacturing Company, it was at the northwestern corner of Liberty Street and Broadway in the Financial District of Lower Manhattan. Frederick Gilbert Bourne, leader of the Singer Company, commissioned the building, which architect Ernest Flagg designed in multiple phases from 1897 to 1908. The building's architecture contained elements of the Beaux-Arts and French Second Empire styles.
The Burj Khalifa, known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. 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, supplanting Taipei 101, the previous holder of that status.
An observation tower is a structure used to view events from a long distance and to create a full 360 degree range of vision to conduct long distance observations. Observation towers are usually at least 20 metres (66 ft) tall and are made from stone, iron, and wood. Many modern towers are also used as TV towers, restaurants, or churches. The towers first appeared in the ancient world, as long ago as the Babylonian Empire.
The Spektrum Tower is a highrise office tower in Warsaw, the capital of Poland. It is located at 14/16 Twarda Street in the Warszawa-Śródmieście central business district of the city and used to house the headquarters of its investor, the telecom operator Telekomunikacja Polska S.A., with some space being leased to other companies.
China World Trade Center Tower III is a supertall skyscraper with 74 floors, 5 underground floors, and 30 elevators in Beijing, China. It is the third phase of development of the China World Trade Center complex in Beijing's central business district of Chaoyang at the junction of the East Third Ring Road and Jianguomen Outer Street. The building topped out at 330 m (1,083 ft) on 29 October 2007 and completed in 2010. The building bears a striking resemblance to the original Twin Towers of the World Trade Center in New York City, which were destroyed during the September 11th, 2001 attacks. It is the second tallest building in Beijing.
Aura is a mixed-use skyscraper completed in 2014 in Toronto, Ontario, Canada. It is the final phase of a series of condominium buildings near College Park in Toronto's Downtown Yonge district. It is part of the Residences of College Park project. Construction lasted from 2010 to 2014. With 79 floors, as of 2018 it is the tallest residential building in Canada and the 38th tallest residential building in the world.
Jeddah Tower, previously known as Kingdom Tower, is a skyscraper construction project currently on hold. Located on the north side of Jeddah, Saudi Arabia, it is planned to be the first 1 km (3,281 ft) high building in human history, and the centrepiece and first phase of a development and tourist attraction known as Jeddah Economic City.
The tallest building in the world, as of 2022, is the Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the 3rd-century Jetavanaramaya stupa, Lincoln Cathedral, the Empire State Building and the original World Trade Center.
Merdeka 118, also known as Merdeka PNB 118, Warisan Merdeka Tower, 118 Tower and KL 118 is a 118-story, 678.9-metre-tall megatall skyscraper in Kuala Lumpur, Malaysia. It is the world's second-tallest structure, surpassing the Tokyo Skytree at 634 m (2,080 ft) and the world's second tallest building, surpassing the Shanghai Tower at 632 m (2,073 ft).
Australia 108 is a residential supertall skyscraper in the Southbank precinct of Melbourne, Victoria, Australia. Having officially topped out in June 2020, it became the tallest building in Australia by roof height, surpassing the Eureka Tower, and the second-tallest building in Australia by full height, surpassed by Q1 Tower.
Suzhou Zhongnan Center is a 499.2-metre (1,638 ft) tall building under construction in Suzhou Industrial Park (SIP), Suzhou, Jiangsu, China. Original plans called for a height of 729 metres (2,391.7 ft) but plans were scrapped in 2019 in compliance with China's ban on buildings taller than 500 metres (1,641 ft). The new tower was proposed in 2019 and construction started less than a year later with a planned completion date of 2025.
Hanza Tower is a skyscraper in Szczecin, Poland, located at the 50 Wyzwolenia Avenue, in the Śródmieście-Północ municipal neighbourhood. The building is 125 m tall, making it the tallest building in the city. It has 34 floors, including 4 underground. Its construction begun in 2011, and had been finished in 2021. The building had been designed in the shape of the ship sail, with the project made by companies Laguarda Low and Urbicon.
Varso is a neomodern office building complex, currently under construction in Warsaw, Poland. It was designed by Foster and Partners and developed by HB Reavis.
