'' Empty Sky '' is the official New Jersey September 11 memorial to the state 's victims of the September 11 attacks on the United States . It is located in Liberty State Park in Jersey City at the mouth of Hudson River across from the World Trade Center site . Designed by Jessica Jamroz and Frederic Schwartz , it was dedicated on Saturday , September 10 , 2011 , a day before the tenth anniversary of the attacks
September 11 attacks
September 11 attacks
Empty Sky (memorial)