Top 5 most expensive things in this world

There are some things in this world which are very expensive that is unbelievable. There I have given five most expensive things. 

1.Antihydrogen

Cost-$90 trillion 

Antihydrogen (
H
) is the antimattercounterpart of hydrogen. Whereas the common hydrogen atom is composed of an electron and proton, the antihydrogen atom is made up of a positron and antiproton. In 1999, NASA gave a cost estimate of $62.5 trillion per gram of antihydrogen (equivalent to $90 trillion today), making it the most expensive material to produce.The CPT theorem of particle physics predicts antihydrogen atoms have many of the characteristics regular hydrogen has; i.e. the same mass, magnetic moment, and atomic state transition frequencies.When antihydrogen comes into contact with ordinary matter, its constituents quickly annihilate. The positron annihilates with an electron to produce gamma rays.In 1995, the first antihydrogen was produced by a team led by Walter Oelert at CERN.

In particle physics, antimatter is a material composed of the antiparticle "partners" to the corresponding particles of ordinary matter. A particle and its antiparticle have the same mass as one another, but opposite electric charge and other quantum numbers. For example, a proton has positive charge while an antiproton has negative charge. Antimatter particles bind with one other to form antimatter, just as ordinary particles bind to form normal matter. For example, a positron (the antiparticle of the electron) and an antiproton (the antiparticle of the proton) can form an antihydrogen atom

2.Antimatter

Cost-$25 billion  (per gram)

Antimatter in the form of anti-atoms is one of the most difficult materials to produce. Individual antimatter particles, however, are commonly produced by particle acceleratorsand in some types of radioactive decay. Matter–antimatter reactions have practical applications in medical imaging, such as positron emission tomography (PET). In positive beta decay, a nuclide loses surplus positive charge by emitting a positron (in the same event, a proton becomes a neutron, and a neutrino is also emitted).Antimatter has been considered as a trigger mechanism for nuclear weapons.A major obstacle is the difficulty of producing antimatter in large enough quantities, and there is no evidence that it will ever be feasible.

3.Ferrari 250 GTO

Cost-$52 million

The Ferrari 250 GTO is a GT car produced by Ferrari from 1962 to 1964 for homologationinto the FIA's Group 3 Grand Touring Carcategory. It was powered by Ferrari's Tipo 168/62 V12 engine.
In 2004, Sports Car International placed the 250 GTO eighth on a list of Top Sports Cars of the 1960s, and nominated it the top sports car of all time. Similarly, Motor Trend Classicplaced the 250 GTO first on a list of the "Greatest Ferraris of All Time."The 250 GTO was designed to compete in GT racing, where its rivals would include the Shelby Cobra, Jaguar E-Type and Aston Martin DP214. The development of the 250 GTO was headed by chief engineer Giotto Bizzarrini. Although Bizzarrini is usually credited as the designer of the 250 GTO, he and most other Ferrari engineers were fired in 1962 due to a dispute with Enzo Ferrari.

4.Kohinoor

Cost-$12 billion

The Koh-i-Noor (Persian for Mountain of Light; also spelled Kohinoor and Koh-i-nur) is a large, colourless diamond that was found near Guntur in Andhra Pradesh, India, possibly in the 13th century. According to legend, it first weighed 793 carats (158.6 g) uncut, although the earliest well-attested weight is 186 carats (37.2 g); it was first owned by the Kakatiya dynasty.Today, the diamond is set in the front of the Queen Mother's Crown, part of the Crown Jewels of the United Kingdom, and is seen by millions of visitors to the Tower of Londoneach year. The governments of India, Pakistan, Iran and Afghanistan have all claimed ownership of the Koh-i-Noor and demanded its return at various times in recent decades. The British government insists the gem was obtained legally under the terms of the Treaty of Lahore.

5.Antilia 

Cost-$1 billion

Antilia is a private home in South Mumbai, India. It is owned by Mukesh Ambani, Chairman of Reliance Industries, which includes a staff of 600 to maintain the residence 24/7.The Indian media have frequently reported that Antilia is the world's most expensive home, costing approximately US $2 billion. Thomas Johnson, director of marketing at architecture firm Hirsch Bedner Associates (consulted by Reliance during the design of the building's floor plan) told Forbesmagazine the residence cost nearly $2 billion.In June 2008, The New York Times reported that it would cost $50–$70 million to build.It eventually cost nearly $2 billion, including combined rates of the land on which it was built.