10. FDNY Memorial Service

In honor of the 343 members of the FDNY who lost their lives during the attacks, the New York City Fire Museum will hold a memorial service at 1 p.m., on Sunday, September 11. The museum will also be open, free of charge, from 10 a.m. to 5 p.m. that day.

See inside the wonderful New York City Fire Museum here.

Next, check out The Top 10 Secrets of the 9/11 Memorial in NYC and Remembering 9/11: A Timeline of the World Trade Center Site NYC. Keep up with the author @heysuehey.