Under construction since 2006, One World Trade Center surpassed the Empire State Building (1, 250 feet) as the city's tallest structure in April.

CNN: Obama signs beam of One World Trade Center

But as he stood on the sun-splashed 86th floor of the Empire State Building, he was 1, 050 feet above ground level and had just led the U.S. to a snowy win over Costa Rica and a draw at Mexico that got the Americans' World Cup qualifying campaign back on track.

NPR: Klinsmann Open To Staying With US After World Cup