skyscraper in Pittsburgh

building in North Carolina, United States

skyscraper located in downtown Pittsburgh, Pennsylvania

historic building in Baltimore, Maryland, USA

skyscraper in Pittsburgh, Pennsylvania

skyscraper in Downtown, Louisville, Kentucky, United States

art museum in Waltham, Massachusetts

basketball arena at the University of Illinois at Urbana–Champaign

library of the United Nations Organisation

skyscraper in Columbus, Ohio

skyscraper in Columbus, Ohio

building formerly named Bank One Plaza

rascacielos en Clevelan, Ohio, Estados Unidos

skyscraper located in downtown Cincinnati

Skyscraper in Buffalo, New York, USA

administrative building in Washington, D.C., United States of America

rascacielos de 120 metros de altura en el centro de Pittsburgh, Pensilvania

complejo de edificios de Nueva York que ha servido como sede de las Naciones Unidas desde su fundación

rascacielos en Nueva York

rascacielos de oficinas en el distrito de Manhattan, Nueva York, Estados Unidos

skyscraper in Pittsburgh, Pennsylvania