NWT The Survivor Tree 9/11 Tote canvas bag resilience renewal hope. The Callery pear tree, now known as the "Survivor Tree, was discovered in the rubble of Ground Zero following the terror attacks on Sept. 11,2001. The severely damaged tree was nursed back to celer and now stands at the 9/11 Memorial as a living reminder of our shared strength in the face of tragedy. The 9/11 Memorial honors all who perished in the terrorist attacks of September 11, 2001 and February 26, 1993. Located in the heart of the World Trade Center site, the Memorial is a national tribute and a place of hope for the future.