Gain a deeper understanding of the events surrounding the attacks on the world trade center on september 11 2001 and the acts of heroism that rallied a nation on this 15 hour walking tour of ground zero a certified guide with a personal connection to the events shares firsthand stories as you explore the site of the former world trade center and the national 911 memorial where you can pay tribute to the lives lost choose to upgrade and add on a ticket to the 911 museum to see artifacts a