A somber day in New York City comes this week as we commemorate the 18th anniversary of the 9/11 terrorist attacks on the World Trade Center.  The official commemoration service will take place at 9/11 Memorial Plaza starting at 8:25am through 12:00pm. The ceremony will include a reading of the names of victims and moments of silence for when the planes hit and when each tower fell. It will be streamed live on all major news networks. Throughout the week, all over New York City there are more special events to remember the day and those we lost. From traditional ceremonies and services to film screenings and museum exhibits, here are 12 unique ways you can pay your respects, in addition to visiting

1. See a Model of the Twin Towers at the Skyscraper Museum

The Skyscraper Museum in Battery Park City is home to the permanent exhibition, The Twin Towers and the Twentieth Century, a comprehensive view of the history of the original towers and One World Trade. Highlights of the exhibit include a model of the Twin Towers created for the Engineering Department of the Port Authority of New York and New Jersey and design proposals for the new building.

The Museum is open Wednesday through Sunday from 12pm to 6 PM. General admission is just $5 and free for members of the military, police, fire departments, veterans, and for visitors who are disabled and their caregivers.