John Cunningham was a college student and volunteer firefighter on 9/11. He went to help out and find survivors.
The first FDNY battalion chief to enter the North Tower shares what he saw.
The FDNY released the dispatch tapes from 9/11, which recorded how firefighters learned about the attack.
Engine 34, Ladder 21 lost most of its members to the tragic events of 9/11.
A team of San Diego firefighters traveled to New York City in the days after 9/11 to help in the search and rescue efforts.
Learn how different types of people felt about the events of 9/11 in both Washington, DC and New York City.
Msgr. John Delendick remembers how difficult it was to be a firefighter chaplain during the events on 9/11.
Learn more about the history of the World Trade Center, how it was built, and why they fell.
The Paterson Fire Department jumped into action, crossing the river to help out at the World Trade Center.
Learn about how the Twin Towers were built to withstand fire, as well as the initial response of the FDNY during 9/11.
After 34 years of service, retired Lt. David Lim shares his story with CBS journalist Don Dahler.
Paramedic John Episcopo shares his experiences as one of the first responders on the scene at the World Trade Center.
Keith Roma was a member of the New York Fire Patrol and is credited with saving as many as 200 lives.
This video shows the brave firefighters working to save lives in the aftermath of the 9/11 World Trade Center attacks
A former Army officer was working as head of corporate security when the World Trade Center was attacked.
Two former marines put on their uniforms and traveled to New York City immediately after hearing about the attacks.
Welles Crowther, who worked as an equity trader, helped get many people out of the building during the attacks.
Janice Brooks, who survived the attacks on the World Trade Center, now visits schools and speaks to children.
Firefighters, police officers, and others who reported for duty at Ground Zero endured grueling shifts.
Many people fleeing the terrorist attacks at the World Trade Center became trapped as they moved toward the water.
Sister Cynthia Mahoney returned to Ground Zero to provide free counseling for survivors.
After Flight 93 was hijacked, at least 4 passengers made the heroic effort to fight back against their terrorist hijackers.
Michael and his co-worker John carried Tina and her wheelchair down from the North Tower.
After the second plane hit the South Tower of the World Trade Center, Brian Clark rescued Stanley Praimnath.
Frank De Martini and Pablo Ortiz were inside the North Tower of the World Trade Center when it was hit.
Dr. Bob Horton, whose hospital was the closest to “Ground Zero”, recalls his experiences during the terrorist attacks.
During the 9/11 attacks, an unnamed EMT was seen rushing toward the burning buildings in order to help.
An essential employee in the Bellevue Hospital pediatric department recalls his experience during and after 9/11.
The call between the hijackers and air traffic controllers allows insight into what was happening on the plane.
On the 18th anniversary, family and friends paid tribute to their loved ones during a ceremony held at Ground Zero.
Muslim community in New York City, NY, discussing the religious backlash that swept the nation.
This helmet belonged to David Halderman, who followed in the footsteps of his father and brother.
This photo reveals a few of the crewmembers who worked tirelessly to clear the debris of the WTC after 9/11.
As this photo shows, the spotlights were always running in downtown NYC after the attacks on the Twin Towers.
This moving photo shows what was left of the World Trade Center towers after 9/11.
The construction equipment and crew seen here are part of the cleanup effort that went on after the events of 9/11.
This altar, built shortly after 9/11, serves as a memorial to those who were lost in the World Trade Centers.
This $2 bill belonged to Robert Joseph Gschaar, who was working on the 92nd floor of the South Tower on 9/11.
This pager, belonging to 25-year-old Andrea Lyn Haberman, was found at the “ground zero” site of the WTC.
Pictured here are ID cards that were discovered in the debris of Flight 77 at the Pentagon crash site.
This police cap belonged to James Francis Lynch, a 22 year veteran of the Port Authority Police Department.
Pictured here is a damaged floor marker from stairway C, floor 102 of the World Trade Center.
This burned and tattered American flag was discovered by a cleanup crew among the rubble at “ground zero”.
This little red doll was discovered in the rubble of the World Trade Center on September 12, 2001.
This pair of heels belonged to Linda Raisch-Lopez, a survivor of the attacks on the Twin Towers.
This American Airlines wings pin was owned by flight attendant Karyn Ramsey.
These startling numbers show how many first responders have been lost since the tragic events of 9/11.
Muslim American Mohammad Salman Hamdani rushed to the site in order to help others—at the cost of his own life.
This collection of photos showcases the many struggles that the New York City first responders had to face.
Inside the 9/11 Memorial and Museum, parts of the Twin Towers are put on display.
A day after the events on 9/11, the cover of the New York Post declared the terrorist attacks an “act of war”.
A “day of terror”—the September 12, 2001 front-page of The New York Times shows images.
It wasn’t just dust that settled over downtown New York City after the 9/11 attacks, but many harmful materials.
After the 9/11 attacks on the World Trade Center, an enormous amount of debris had to be cleaned up and moved.
This aerial view of the 9/11 Memorial and Museum shows the original placement of the Twin Towers.
Flowers and balloons are placed at the 9/11 Memorial and Museum in New York City by many Americans.
Painted by renowned Brazilian street artist Eduardo Kobra, this is a mural of a fireman in mourning.
A Tribute to Heroes was a 9/11 benefit concert that was broadcast live on television on September 21, 2001.
The Concert for New York City took place on October 20, 2001 at Madison Square Garden in New York City.
These clothes belonged to a World Trade Center Security Officer, and were found in the wreckage after 9/11.
Steel beams from the World Trade Center were analyzed by the US Department of Commerce in 2009.
This enclosurewas created to house emergency vehicles damaged during the attacks of 911.
Here you can see twisted beams of steel that used to stand straight as part of the World Trade Center Towers.
A portion of rail car #143 that once shuttled passengers between New York and New Jersey is shown here in 2011.
Warner Bros. items were collected from the ruins at the World Trade Center mall.
Members of the St. James New York Fire Department salute at JFK International Airport June 16, 2011.
A New York City Fire Department engine recovered from the World Trade Center.