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The Great Wall of China, at 6,352 km or 3,947 mi long, is a megastructure.This picture was taken near Beijing in February 2005. A megastructure is a very large artificial object, although the limits of precisely how large vary considerably.
This is a list of megaprojects, which may be defined in the following categories: . Projects that cost more than US$1 billion and attract a large amount of public attention because of substantial impacts on communities, the natural and built environment, and budgets.
Megascale engineering (or macro-engineering) [1] is a form of exploratory engineering concerned with the construction of structures on an enormous scale. [2] Typically these structures are at least 1,000 km (620 mi) in length—in other words, at least one megameter, hence the name.
Each episode explores the engineering breakthroughs that have made it possible to develop the largest structures of today. Episodes describe the landmark inventions that have enabled the engineers of today to construct the world's biggest structures, including computer generated imagery. The imagery shows the size of the object in meters, the ...
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This is a list of buildings and other structures that have been envisioned. The X-Seed 4000 is one of the tallest structures ever conceived. Shown in this image is the Burj Khalifa (828 m (2,717 ft)), tallest structure in the world at the time of completion in 2010 to this year (2025), and the X-Seed 4000 project (4,000 m (13,000 ft)).
This is a list of all megatall skyscrapers, which are skyscrapers that are at least 600 m (approximately 1,968 feet) tall. [1] As of January 2025, only four completed buildings are 'megatall'.
Pages in category "Lists of largest buildings and structures" The following 46 pages are in this category, out of 46 total. This list may not reflect recent changes. ...