The International Space Station (ISS): This massive structure in space, jointly owned by several nations, has cost billions of dollars to build and maintain.
The Large Hadron Collider (LHC): This particle accelerator, located at CERN in Switzerland, is one of the most expensive scientific experiments ever undertaken.
The Hubble Space Telescope: The iconic space telescope, which has provided stunning images of the universe, has cost billions of dollars to develop, launch, and operate.
The International Thermonuclear Experimental Reactor (ITER): This experimental fusion reactor, currently under construction in France, aims to harness nuclear fusion as a new source of energy. It has a projected cost of over $20 billion.
The Boeing 747-8 Intercontinental: This luxury private jet, often customized to meet the owner's specifications, can cost hundreds of millions of dollars.
The "Pink Star" Diamond: This rare pink diamond, weighing 59.60 carats, holds the record for the highest price ever paid for a diamond at an auction.
The "Salvator Mundi" Painting by Leonardo da Vinci: This masterpiece, depicting Jesus Christ, was sold in 2017 for a staggering $450 million, making it the most expensive painting ever sold at auction.
The "History Supreme" Yacht: This luxury yacht, adorned with gold, platinum, and gemstones, has an estimated value of $4.5 billion, making it the most expensive yacht in the world.
The "Graff Pink" Diamond: This rare and flawless pink diamond, weighing 24.78 carats, fetched a record-breaking price at an auction, making it one of the most expensive diamonds ever sold.
The "Card Players" Series by Paul Cézanne: One of the paintings from this series was sold in a private sale for over $250 million, making it one of the most expensive artworks ever sold.