If you want to go till crown of the statue, buy yo...

If you want to go till crown of the statue, buy your tickets 6 months in advance. Also be physically fit to climb the narrow stairs. Otherwise, just buy tickets till pedestal. The statue is heavily guarded and patrolled now.you have to keep your belongings in locker and go they metal detector. There is a museum, but many artifacts were taken out and relocated to some other place for restoration and preservation, do not set your expectations on this museum.