The National Park Service and the Interior Department hosted an opening ceremony Thursday, Sept. 10, 2015, for the Flight 93 National Memorial near Shanksvill...
The Flight 93 Memorial Visitor Center includes many displays about the flight and crash that took place on Sept. 11, 2001. (Tami A. Heilemann NPS)
The National Park Service and the Interior Department hosted an opening ceremony Thursday, Sept. 10, 2015, for the Flight 93 National Memorial near Shanksville, Pennsylvania.