The tallest building in the U.S. since 2013 is NYC’s One World Trade Center. Prior to the attacks, the twin towers of the first World Trade Center occupied the second and third ...

Just a 10-minute walk over to 1200 Travis, and things aren't much different. Leaky ceilings, cracked walls, torn-up floors ...

Arizona's capital city Phoenix is the fifth-largest in the United States. With a population of over 1 million and a cluster of tall buildings downtown, it's your standard "big city." ...