World Trade Center steel

Cracker Trail Elementary third-grader Ellie Brinling and guidance counselor Crystal Baugh on Sept. 11, 2015 after the planting of the school's survivor tree, which grew from a seed obtained by Brinling during her visit to the 9/11 Memorial. Photo Courtesy of Highlands Today.

Oral Historians for 9/11 Memorial Museum hit the Road

(VIDEO) Hangar 17: Salvaging WTC, Preserving History