The National September 11 Memorial & Museum (branded as 9/11 Memorial and 9/11 Memorial Museum) is the principal memorial and museum commemorating the September 11 attacks of 2001, which killed nearly 3,000 people, and the World Trade Center bombing of 1993, which killed six. The memorial is located at the World Trade Center site, on the former location of the Twin Towers, which were destroyed during the attacks. The World Trade Center Memorial Foundation was renamed the National September 11 Memorial & Museum at the World Trade Center in 2007.

In this September 17, 2010 file photo a little brown bat is photographed in La Crosse Wis. Researchers for the first time found that little brown bats appear to be showing resistance to white-nose syndrome, which has killed millions of bats across North America. (Photo by Peter Thomson/La Crosse Tribune via AP Photo)

A vintage American car drives down a road as a crab tries cross the road in Giron, Cuba, Saturday, April 9, 2022. The yearly migration causes concern to drivers that try to swerve in a futile attempt not to kill the crustaceans and are a nuisance to residents but the sight of their travels across the road is a wonder for tourists and anyone interested in the phenomenon. (Photo by Ramon Espinosa/AP Photo)

A Palestinian youth throws a stone at an Israeli military vehicle during an Israeli army raid in the Balata refugee camp near the West Bank town of Nablus, Saturday, May 13, 2023. the Israeli military raided the Balata refugee camp in the northern city of Nablus, sparking a firefight that killed two Palestinians. (Photo by Majdi Mohammed/AP Photo)

Shiite Muslim devotees reach to receive a blessing from the tomb of Imam Hussein, the Prophet Mohammed's grandson, at the Imam's shrine in Iraq's central holy city of Karbala on September 6, 2023, during the Arbaeen religious festival commemorating his seventh century killing. (Photo by Hussein Faleh/AFP Photo)

An Afghan boy mourns next to the grave of his little brother who died due to an earthquake, in Zenda Jan district in Herat province, western of Afghanistan, Monday, October 9, 2023. Saturday's deadly earthquake killed and injured thousands when it leveled an untold number of homes in Herat province. (Photo by Ebrahim Noroozi/AP Photo)

Military policemen try to open a path ahead for the funeral of 21-year-old Mohamed Adel, one of the army officers who died in yesterday's Sinai attacks, in Al-Kaliobeya, near Cairo, Egypt, July 2, 2015. Egypt launched air strikes on Islamist militant targets in the Sinai peninsula on Thursday, killing 23 fighters a day after the deadliest clashes in the region in years, security sources said. The sources said those killed had taken part in Wednesday's fighting in which 100 militants and 17 soldiers, including four officers, were killed, according to the army spokesman. (Photo by Mohamed Abd El Ghany/Reuters)

Maj. Matt O'Donnell of Glenelg, MD shields himself from rotor wash as Ospreys carrying the delegation of U.S. Secretary of Defense Leon Panetta leaves on March 14, 2012 at Forward Operating Base Shukvani, Afghanistan. Panetta is also scheduled to meet with President Karzai during his two-day visit to Afghanistan. The trip comes as the Taliban has vowed revenge following this past weekend's killing spree by a U.S. soldier who is accused of killing 16 civilians in Afghanistan. Most of those killed were children and women. (Photo by Scott Olson/Getty Images)