The Pentagon Memorial is a poignant tribute to the 184 lives lost during the tragic events of September 11, 2001. Situated adjacent to the Pentagon in Arlington County, Virginia, this memorial features 184 illuminated benches, each representing a victim of the attack. Opened to the public on September 11, 2008, the site spans across two acres and serves as a place of reflection and remembrance for visitors and families affected by the events of that day.