The Flight 93 National Memorial in Shanksville, Pennsylvania, was completed in several distinct phases over nearly two decades to honor the 40 passengers and crew who lost their lives on September 11, 2001. The first major phase, which included the Memorial Plaza and the Wall of Names, was dedicated on September 10, 2011, marking the 10th anniversary of the tragedy. The second significant milestone was the completion of the Visitor Center and Learning Center, which opened to the public in September 2015. The final major architectural component of the master plan, the "Tower of Voices"—a 93-foot-tall musical instrument containing 40 wind chimes to represent each individual on the flight—was dedicated on September 9, 2018. While the primary construction of these symbolic structures is considered finished, the 2,200-acre park remains a living landscape where ongoing reforestation projects and trail developments continue to be managed by the National Park Service. The memorial serves as a place of environmental and symbolic healing, transforming a former strip mine into a solemn site of national remembrance.