Admission will be waived on opening day of the 9/11 museum
The $24 admission to the Sept. 11 Museum will be waived for all visitors on opening day but advance reservations are required.
The National September 11 Memorial Museum is scheduled to open May 21.
Officials say advanced reservations for tickets can be booked at 911memorial.org.
The first day free admission comes courtesy of Conde Nast. The media company will be an anchor tenant at 1 World Trade Center overlooking the 16-acre site.
The museum's regular hours will be 9 a.m. to 8 p.m. daily.
There will be no admission charge for relatives of Sept. 11 victims or for rescue and recovery workers.
Children age 6 and younger will get in free. Admission will be free for everyone on Tuesdays from 5 p.m. and 8 p.m.