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sears tower.
Sears Tower,Empire State Building and Bank of America Tower are the tallest buildings in United State.
John gacey was the head designer for the constuction of the 3 tallest buildings
There are a couple of taller buildings, now. The tallest is the Burj Khalifa in the country of Dubai.
The worlds tallest is Insano standing at about 140 feet, and the tallest in the US is Summit Plummit at Disney's Blizzard Beach Waterpark
1.Willis/Sears Tower = 444meters 2. Freedom Tower = 410meters 3. Empire State Building = 325meters
The oldest standing buildings in the US are the Ancestral Puebloan communities found in New Mexico, Arizona, Colorado and Utah. These buildings were built in 750 CE.
there are many building in the US...be more specific
As of August 2011, the tallest building in the US is the "Willis Tower" in Chicago, Illinois (formerly known as the Sears Tower). Soon, however, the tallest building (currently under construction) will be the "Freedom Tower" in New York, New York. Prior to September 11, 2001, the tallest building in the US was a tie between the two free standing World Trade Centers in New York.
The tallest building in US is the Willis Tower in Chicago, which measures 442 metres (1,450 ft.). The second tallest building is the Empire State Building in New York City, which measures 381 metres (1,250 ft.). The Freedom Tower in New York City will measure 541 metres (1,776 ft.) *Since 21st November 2008.
The tallest mountain in the US is Mount McKinley at 20,320ft