It took more than eight months to clean up "Ground Zero" - the site of the fallen Twin Towers. A memorial and a museum now stands on the site, and buildings have risen up again, to a different design.

The National September 11 Memorial & Museum serves as the primary tribute ... as eerie footprints where the World Trade Center's twin towers once stood. The 1-acre pools are enclosed in bronze ...

"Ground Zero Supertower" examines the new skyscraper, One World Trade Center, rising up 104 stories and 1,776 feet from the site where the Twin Towers once ... 11 Memorial Museum that will house ...

A photographer has described how the Twin Towers collapsed before his eyes. Phil Penman from Briantspuddle, Dorset, captured more than 500 photos of the catastrophic event in New York on 11 ...

"Ground Zero Supertower" examines the new skyscraper, One World Trade Center, rising up 104 stories and 1,776 feet from the site where the Twin Towers once ... 11 Memorial Museum that will house ...