The tower's height is 1,776 feet, a tribute to the Declaration of Independence.
After the 9/11 attacks, how can we ensure the security of the new site?
New safety features are hidden 94 feet below ground.
Daniel Libeskind's master plan for ground zero is revealed.
A single pear tree survived at ground zero 10 years ago during the 9/11 attacks.
Kevin Quinn helped cut and clear the burning steel remains of the Twin Towers.
The twin towers memorial will be a place for families to mourn and reflect.
How will the crew keep the Memorial Plaza from crushing the tunnels below?
Architect, Michael Arad, discovers his vision of the twin towers memorial.
The transportation hub will be a gateway that marks a grand entrance to NYC.
Check out this significant detail of Daniel Libeskind's master plan.
Architect Michael Arad designs the names of the victims for use in the memorial.
Lee Ielpi founded the WTC Tribute Center as a way to share his story.
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