According to Wikipedia:
Burj Dubai in Dubai, United Arab Emirates is currently the world's tallest man-made structure. As of 26 September 2008, the building, which is still under construction, stood at 707 m (2,320 ft). When completed, it is expected to rise over 818 m (2,684 ft).
See the official website of this project via the Related Link.
However, PCH claims that the CN Tower is the tallest as of 2004 at 1815.4 feet.
Burj Khalifa in Dubai,UAE, (a small middle-eastern country bordering the Persian Gulf) is the tallest structure every built. It opened on October 1 2009 and remains so. The building rounds out at 2,717 feet tall (828m).
The tallest building in the world that is completely finished is the Taipei 101 in Taiwan. It reaches a height of 1,671 ft and has 101 floors (stories). But the tallest building that is yet complete is the Burj Dubai in the city of Dubai in the country of the United Arab Emirates. When it is complete, it will be 2,684 ft. tall and will have 162 floors (stories).
The Burj Dubai currently under construction (01/09/2008 measured at 688m and already the highest) will be an estimated 2900 ft high
Perido Regional Host Development. It is 7999 feet tall.
Twin Towers In America
Burj Khalifa
Burj Dubai
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The world's tallest structure is the 828 m (2,717 ft) tall Burj khalifa Dubai in UAE building gained the official title of "Tallest Building in the World" at its opening on 4 January 2010. It is taller than any other man-made structure ever built.
Eiffel Tower
Leonid Stadnik is the guy/ man living today.
The tallest free-standing structure in Canada is CN Tower, located in Toronto, Ontario. Currently used for observation, TV and radio transmission.
The Eiffel Tower finished in 1889 was the tallest building until the Chrysler Building in New York passed it in 1930.
The tallest man made building in the world today is the Burj Khalifa. This structure is located in Dubai, United Arab Emirates. This building stands an amazing 2,722 feet tall.
The world's tallest structure is the 828 m (2,717 ft) tall Burj khalifa Dubai in UAE building gained the official title of "Tallest Building in the World" at its opening on 4 January 2010. It is taller than any other man-made structure ever built.
Eiffel Tower
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Canada
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burj khalifa it is in Dubai U.A.E
Eiffel Tower
the Washington Monument
The Paris landmark that became the world's tallest structure in 1889 was the Eiffel Tower. The Eiffel Tower was built for the World Exhibition and is 984 feet tall.
The Eiffel Tower was at one time the tallest structure in the world. This was while it was being built and it surpassed the height of the Washington Monument. It stands 1,063 feet tall and is the tallest structure in the city of Paris.
Grande Dixence Dam