Ground Zero refers to the site of the World Trade Center in New York City, which was destroyed in the terrorist attacks on September 11, 2001. There are now two memorial sites located at Ground Zero - the National September 11 Memorial, which serves as a place for solemn reflection and tribute, and the 9/11 Memorial Museum, which displays artifacts and information about the attacks through museum exhibits. Nearby is also the Ground Zero Museum Workshop, described as the "Biggest LITTLE Museum in New York", which provides additional context about 9/11 and its aftermath.