The 1776-foot, 104-story office tower that will anchor the World Trade Center site, originally called the Freedom Tower, has been rebranded as One World Trade Center.

This is happening, as the developers make a global push to attract tenants.

"The first thing we do before we take them into the building is that we introduce them to the actual site itself," said Tara Stacom, vice chairman ofCushman and Wakefield, the leasing agent for the Port Authority of New York and New Jersey, which owns the site.

"It's 16 acres. And we walk them around 16 acres, and then we walk them around the 8-acre park which will be at the very front door of One World Trade Center."

CNBC recently got a tour of the site, which has reached 32 stories—approximately 300 feet—and is adding roughly one floor per week.

The building sits at the northwest corner of Ground Zero, overlooking the construction of the National September 11 Memorial, which will include a museum and giant fountains marking the footprints of the twin towers.........read more