Take a look at the World Trade Center before and after the September 11, 2001 terrorist attacks. “The 9/11 Memorial: Past, Present and Future” is a journey that you can take at your own pace, a rich tapestry of more than 40 original videos and 400 powerful still images.

The Memorial should be experienced in person.

Explore the construction of the Twin Towers. View videos of the site long before 9/11. Connect with the the day of 9/11/01 as it unfolds. And then, get an insider’s view of “Reflecting Absence” Architect Michael Arad’s powerful Memorial Plaza and twin Pools.

-Exclusive interview with the creator of the Memorial, along with his sketches and photographs.
-More than 40 videos, over an hour of original content, site tours, museum updates, and animations.
-Over 400 high-resolution photographs, including large artifacts at Hanger 17, rare site construction images, and the landscaping of an urban forest with 400 white swamp oak trees.
-Links to share, post, and connect with the National September 11th Memorial Museum site.
-An interactive timeline from 2001 – updated as construction continues.
-Never before seen video of the attacks on The World Trade Center.

The app will be free through September 12. After this, it will cost $9.95.