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A visitor takes pictures at the permanent outdoor Pentagon Memorial in Arlington Va. The 184 stone benches each bear the name of a person who died Sept. 11, 2001, in the terrorist attack on the Pentagon. Together they comprise the permanent outdoor Pentagon Memorial, created to honor family members and friends killed both in the building and on American Airlines Flight 77. The Pentagon was the first of the three attack sites to open an official memorial. It was dedicated Sept. 11, 2008, and is open 24 hours a day, 365 days a year. (AP Photo/Jose Luis Magana)

9/11 Memorials

The tragic events of 9/11 have inspired a range of memorials across the country in order to remember and pay tribute to the victims.