This all access experience includes a 15 hour guided tour of ground zero and the 911 memorial plus entry to the 911 museum and one world observatory guided by new yorkers with personal connections to the events of 911 youll hear stories of tragedy and heroism and get a deeper understanding of the events surrounding 911 in remembrance of 911 this walking tour guides you through the former world trade center in new york where the tragic events of 911 took place the tour is guided by