See 1 World Trade Center Go Up Year by Year

2006 A model of the Freedom Tower on display at the American Institute of Architects (AIA) Design Awards luncheon on June 28, 2006.

2007 An aerial Elevated view of the World Trade Center site as seen from One Liberty Plaza on Aug. 7, 2007.

2008 Tourists look out over the World Trade Center site, two days before the seventh anniversary of the Sept. 11 attacks on Sept. 9, 2008.

2009 The World Trade Center site and New York's financial district on March 22, 2009.

2010 A Port Authority police officer plays Taps on Sept. 11, 2010 during ceremonies to mark the 9th anniversary of the Sept. 11th terrorist attack.

2011 Construction continues on One World Trade Center and the National Sept. 11 Memorial & Museum at the World Trade Center site on July 8, 2011.

2012 The One World Trade Center building is seen from the 60th floor of 4 World Trade Center in New York on Sept. 7, 2012.

2013 One World Trade Center rises above the Manhattan skyline as seen from the pool at the Gansevoort Meatpacking NYC on June 12, 2013.

2014 The "Tribute in Lights" is seen next to One World Trade Center on Sept. 11, 2014 marking the 13th anniversary of the Sept. 11th terrorist attacks.