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This is a list of tallest freestanding structures in the world past and present. To be freestanding a structure must not be supported by guy wires , the sea or other types of auxiliary support. It therefore does not include guyed masts , partially guyed towers and drilling platforms but does include towers , skyscrapers ( pinnacle height) and ...
This is a list of tallest freestanding steel structures in the world past and present. To be a freestanding steel structure it must not be supported by guy wires, the list therefore does not include guyed masts and the main vertical and lateral structural elements and floor systems in the case of buildings, are constructed from steel.
The KVLY-TV mast is the tallest structure in the United States, at 2,063 ft (629 m) tall Galesville, Wisconsin WKBT-DT tower. This is a list of the tallest structures in the US that are at least 350 meters, ordered by height. Most are guyed masts used for FM- and TV-broadcasting:
Terminological and listing criteria follow Council on Tall Buildings and Urban Habitat definitions. Guyed masts are differentiated from towers – the latter not featuring any guy wires or other support structures; and buildings are differentiated from towers – the former having at least 50% of occupiable floor space although both are self-supporting structures.
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CN Tower, 553 m (1,814 ft), tallest free-standing structure in the world on land until 12 September 2007, when it was surpassed by the Burj Khalifa (officially surpassed when the Burj Khalifa opened, on 4 January 2010) Cape Race LORAN-C transmission mast, 411.48 m (1,350 ft) (collapsed in 1993, replaced afterwards by 260.3 m (854 ft) tall mast)
Currently the tallest human-constructed wooden structure in the world (free-standing, though not a building). Randsburg Wash Target Test Towers (Buildings 70021 and 70022) [3] 109.73 n/a Naval Air Weapons Station China Lake: 1951 As of February 2023, the second current tallest human-constructed free-standing wooden structures in the world.
The Tokyo Skytree in Tokyo, Japan has been the tallest tower since 2012.. This list includes extant structures that fulfill the engineering definition of a tower: "a tall human structure, always taller than it is wide, for public or regular operational access by humans, but not for living in or office work, and which is self-supporting or free-standing, meaning no guy-wires for support."