If you are in the NYC area, the 9/11 Memorial has extended hours for the holiday season.
The National September 11 Memorial has extended holiday hours on December 21-31, 2012. Operating hours are from10:00 a.m. to 8:00 p.m. with last entry at 7:00 p.m. Visitor passes are required and must be reserved for a specific date and time. Visitor passes are free and available through the Memorial's online reservation system.The 9/11 Memorial is a tribute of remembrance and honor to the nearly 3,000 people killed in the terror attacks of September 11, 2001. TheNational September 11 Memorial at the World Trade Center, 1 Albany Street, at the intersection of Albany and Greenwich Streets. (Cost: free)