5. One World Trade Center
Construction cost: $3.8 billion
Location: New York
Owner/Investor: The Port Authority of New York and New Jersey
No expenses have been spared in creating the replacement of Twin towers destroyed in 9/11 attacks. Standing at 1,776 feet (referencing the signing of the US Declaration of Independence) One World Trade Center is the tallest building in New York. It is one of the most modern buildings in the world in terms of environment sustainability and energy preservation.
