National September 11 Memorial & Museum Opens In New York

A video of a victim of the September 11th attacks is seen next to the Last Column, a steel beam recovered from World Trade Center site and inscribed with memorials to the rescue workers.

Visitors walk by projections of videos from September 11, 2001.

A destroyed antenna from the North Tower of the World Trade Center

Pictures of the September 11th hijackers

Salvaged beams, called tridents, from the World Trade Center

The base of one of the salvaged tridents

A video of the attacks on the Twin Towers in New York

The "Survivors' Stairs," a remnant of a staircase that was the route to safety for many people in the World Trade Center at the time of the attack

A fire truck of the New York Fire Department that was used in the rescue effort

An exhibit of artifacts from the years following the September 11 attacks

Part of the historical exhibit in the 9/11 museum

Photos, cards, and memorials to victims of the attacks

The "Last Column" of the World Trade Center, inscribed with the names of police and fire departments that took part in the rescue efforts

A memorial wall featuring panels for the 2,983 victims of the attacks