Since the public opening on April 4, 1973, New York’s iconic Twin Towers remained a symbol of the city up until the tragic September 11 attacks. Take a look back at the iconic structures ...

David Childs, the lead architect of the One World Trade Center skyscraper that rose from ... more public stairways with direct access to the street. Childs was born in Princeton, New Jersey ...

Tokyo's World Trade Center Building, which at 152 meters high ... final glimpse of the neighborhood from on high. The panoramic view allowed the children to take in Haneda Airport and Tokyo ...