The September 11 attacks were the deadliest terrorist attacks in human history, causing the deaths of 2,996 people, including 19 hijackers who committed murder–suicide and 2,977 victims. Thousands mor
Two survivors shown covered in dust after the collapse of the towers
An aerial view of the Pentagon following the attacks
The Marriott World Trade Center on May 15, 2001, approximately four months prior to the attacks
United States Coast Guard patrolling the New York Harbor with the impact area of World Trade Center in sight, September 11, 2001
The original One World Trade Center was one of the Twin Towers of the original World Trade Center complex in New York City. It started construction in 1968 and completed in 1972. It stood at a height
The World Trade Center's North Tower (WTC1), pictured in March 2001, six months before its destruction
1 World Trade Center under construction, May 1970
The remains (from bottom to top) of One, Six, and Seven World Trade Center on September 17, 2001
The North Pool of the present-day National September 11 Memorial & Museum, marking the spot upon which the original One World Trade Center stood.