its not the largest pipe organ in the world, but its one of the largest "theater" pipe organs around ( there is a larger one in private use) . Largest working pipe organ in the world is in the old John Wanamaker Dept Store in Philadelphia now Macys. The Atlantic Boardwalk organ is bigger, but most of the original organ is not working #2 is the Chapel at West Point and #3 is the Los Angeles Congregational Church