Which is tallest?
The answer
Tallest
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Burj Khalifa 828 m
In Dubai. It became the world's tallest building in 2010. Source
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Eiffel Tower 330 m
In summer heat the iron expands, and the tower can grow by up to 15 cm. Source
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Great Pyramid of Giza (today) 138.5 m
It was originally 146.6 m tall. It lost its top stones over the centuries. Source
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Statue of Liberty (ground to torch) 93 m
A gift from France. Gustave Eiffel designed its inner frame. Source
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Sydney Opera House 65 m
Its roof is covered with more than one million tiles. Source
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Leaning Tower of Pisa 56 m
It's a bell tower, and it started leaning while it was still being built. Source
Shortest