World's Costliest Structures Revealed: Top 10 Priciest Buildings Unveiled

The Grand Mosque in Mecca, the most sacred mosque for Muslims worldwide, holds a unique distinction as the most expensive building in the world. With a cost exceeding $30 billion, this grand structure spans 350,000 square meters and attracts over 5 million Muslims annually.

In Dubai, the Princess Tower, the second tallest building in the city, serves as an exclusively residential structure. Constructed at a cost of 2.2 billion dollars, it stands as a testament to the city's architectural prowess.

Moving across the globe, we find the Australian Parliament House in Canberra, built in 1988. Despite its age, it has a hefty price tag of over 4 billion local dollars at today's exchange rate. This modern architectural marvel houses 4700 rooms and utilises solar energy for its lighting.

The Taipei 101 building, a symbol of "time renewal," was constructed in 2004 at a cost of 2 billion dollars. Initially the tallest building in the world, it was designed with the intention of withstanding possible earthquakes and typhoons.

In Mumbai, the Antilia building, owned by Indian billionaire Mukesh Ambani, was built on the site of a former children's shelter. Although referred to as "unpleasant" by locals due to its exterior, it remains a significant landmark.

Across the Atlantic, Donald Trump constructed the Trump Taj Mahal in Atlantic City in 1990, with an initial investment of approximately 1 billion dollars. However, after 20 years of inflation, the cost has significantly increased to 1.9 billion dollars.

The World Trade Center 1 in New York, a symbol of national resilience in the face of terrorist threats, is the tallest building in New York and has been operational since 2014. It was built on the site of the destroyed towers and cost 4 billion dollars.

Resorts World Sentosa in Singapore, a tourist attraction that houses entertainment parks, water parks, and an aquarium, was constructed at a cost of 5.4 billion dollars. It employs a staff of 10,000 people.

Lastly, the Venetian, located in Macau, is a building of unknown purpose, with no information provided on its cost.

The Palazzo, located in Las Vegas, is a luxurious casino with an average hotel apartment size of 67 square meters. Despite being a significant structure, it has not been specified in the data provided.