International Space Station (ISS): The ISS is a multinational area station orbiting the Earth. It is one of the most highly-priced infrastructure projects ever undertaken, with an envisioned price of over $150 billion.
Chunnel (Channel Tunnel): The Channel Tunnel, connecting the United Kingdom and France, required good sized engineering and investment. Its creation fee became around £four.65 billion (about $6 billion).
Three Gorges Dam: The Three Gorges Dam in China is the arena’s biggest hydropower undertaking. It involved the relocation of thousands and thousands of human beings and had an estimated value of over $28 billion.
High-Speed Rail in California: The California High-Speed Rail mission aims to construct a excessive-velocity rail community connecting important cities in the kingdom. The predicted cost for the whole assignment is over $100 billion.
Gotthard Base Tunnel: The Gotthard Base Tunnel in Switzerland is the longest railway tunnel inside the global, measuring over 57 kilometers. Its construction price exceeded CHF 10 billion (approximately $10 billion).
Hong Kong-Zhuhai-Macau Bridge: The Hong Kong-Zhuhai-Macau Bridge is a mega-structure connecting Hong Kong, Zhuhai, and Macau in China. Its creation cost is envisioned to be round $20 billion.
Dubai’s Palm Islands: The Palm Islands are artificial islands off the coast of Dubai, United Arab Emirates. The mission’s cost has been anticipated at numerous billion bucks.
Crossrail (Elizabeth Line): Crossrail, also called the Elizabeth Line, is a major railway undertaking in London, UK. Its construction value has passed £18 billion (about $23 billion).
The Big Dig: The Central Artery/Tunnel Project, normally referred to as the Big Dig, turned into a huge-scale motorway creation task in Boston, Massachusetts. Its fee handed $14.6 billion.
Itaipu Dam: The Itaipu Dam is a hydroelectric dam placed on the border among Brazil and Paraguay. It is one in every of the largest operational hydroelectric strength flowers in the world, with an envisioned cost of over $20 billion.