Chief Joseph Pfeifer's fire helmet. Gift of the Pfeifer family in memory of FDNY's 343 heroes. (Photography by Matt Flynn)
Students from the Immaculate Conception School Aquinas Honor Society and principal Dori Breen show the tribute mural given to them by the 9/11 Memorial Museum. (Photo: Carl Ballenas)
Brian Christopher Hickey's name on the South Memorial Pool.
Renderings of future 2WTC, image courtesy of DBOX.
Retired FDNY Commissioner Sal Cassano (Photo: Joe Woolhead)
Beams from the North Tower of the World Trade Center. Copyright, The Roanoke Times, reprinted by permission.
Flag Trees, Photograph by Jonathan Hyman
Night at One World Trade Center. (Photo: Jin Lee)
Clifford Chanin and Bernard Haykel at earlier Heart of the Matter live talk (Photo: Jin Lee)
A Peter Rabbit stuffed animal that belonged to the youngest 9/11 victim, Christine Lee Hanson. (Photo: Jin Lee)