How the Greenest Skyscraper Ever Is Rising Out of the Rubble of the World Trade Center

On September 11, 2001, the World Trade Center transformed from a pair of gleaming towers into a carcinogenic pile of smoldering rubble that's still killing people. Currently rising out of that rubble, though, is a skyscraper with the most environmentally advanced technologies ever attempted at the scale. »9/08/11 11:30am9/08/11 11:30am

The Amazingly Touching Way the 9/11 Memorial Arranged the Names of the Victims Who Died

The 9/11 Memorial is sure to be beautiful—a cascading waterfall in remembrance of that tragic day. It's also extremely thoughtful—instead of arranging the names in alphabetical order, the 9/11 Memorial will cluster people together who share bonds through friendship, work or incredible story. »9/07/11 12:20pm9/07/11 12:20pm

How New York City Built a Massive $3.8 Billion Underground Transit Station in the WTC's Footprints

The original World Trade Center PATH (Port Authority Trans-Hudson) Station, opened in 1971, was destroyed in the 9/11 attacks when the WTC towers collapsed on top of it. Its replacement, the World Trade Center Transportation Hub, is a mega-terminal on the scale of Grand Central Station—under the new WTC complex. »9/07/11 11:50am9/07/11 11:50am