The National Park Service and the Interior Department hosted an opening ceremony Thursday, Sept. 10, 2015, for the Flight 93 National Memorial near Shanksvill...
This display in visitor center focuses on the immediate aftermath of the Sept. 11, 2001, plane crash in Shanksville, Pennsylvania. (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.