Eiffel Tower in Paris, France is the most famous and most visited building in the world, with more than 7 million visitors each year.
Burj Khalifa in Dubai is the tallest building in the world, with a height of 828 meters.
Buckingham Palace in London, England is the official residence of the Queen of England, but in fact the palace was built for a nobleman named Duke of Buckingham.
Empire State Building in New York City is a building that was built in a very short time, only 1 year and 45 days.
Pisa Tower in Italy tilted because the land under it was unstable, and tilted since the beginning of its construction in the 12th century.
Colosseum in Rome, Italy is the largest amphitheater building ever built, able to accommodate more than 50,000 people.
Opera Sydney in Australia has a roof consisting of 1,056 ceramic panels that form arches, with a total weight reaching 2,194 tons.
Taj Mahal in India was built by Mughal Emperor Shah Jahan as a sign of love for his wife who died while giving birth to their child.
Big Ben Clock Tower in London, England is actually not the official name of the building, but the name of the bells in it.
Versailles Palace in France has more than 2,000 windows and 700 doors, and has a large garden that covers more than 800 hectares.
