The Masjid Al-Haram mosque in Mecca has topped the list of top ten most expensive buildings in the world having cost £75 billion ($100 billion) to build.
The religious building at the heart of Saudi Arabia's pilgrimage site covers 356,800sqm. It is the largest mosque in the world and includes vast outdoor and indoor spaces for prayer.
The impressive mosque aside, the top ten most expensive buildings in the world list is dominated by uber-luxe holiday resorts and casinos in America, the Middle East and South-East Asia.
Every single building mentioned in this article cost more than £1.2billion ($1.6 billion) to build.
The average London home could be worth £1 million by 2030.
Geographically diverse but united by a mixture of spectacular architecture, lavish fittings and a mind boggling number of floors, they are also some of the tallest buildings on the planet.
The list is made up of two separate buildings in Las Vegas, one in New York, two in Saudi Arabia, one in the UAE, two in China and the remaining two in Singapore.
The building which replaced the World Trade Center twin towers in New York features at number six having cost £2.8 billion ($3.6 billion) - One World Trade Center is a towering 1,776ft – the tallest building in the western hemisphere.
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